Home / 663,746.20-995,622.90-165,110.20

Finding the Fourth Proportional to 663,746.20, 995,622.90 and 165,110.20

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Solution

The fourth proportional to 663,746.20, 995,622.90 and 165,110.20 is: 247,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,746.20 : 995,622.90 = 165,110.20 : x
  2. Step 2: Convert to fraction form
    663,746.20/995,622.90 = 165,110.20/x
  3. Step 3: Cross multiply
    663,746.20x = 995,622.90 × 165,110.20
  4. Step 4: Simplify right side
    663,746.20x = 164,387,496,143.58
  5. Step 5: Solve for x
    x = 164,387,496,143.58/663,746.20
  6. Step 6: Final answer
    x = 247,666.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.