Home / 663,138.20-994,707.30-164,502.20

Finding the Fourth Proportional to 663,138.20, 994,707.30 and 164,502.20

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Solution

The fourth proportional to 663,138.20, 994,707.30 and 164,502.20 is: 246,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,138.20 : 994,707.30 = 164,502.20 : x
  2. Step 2: Convert to fraction form
    663,138.20/994,707.30 = 164,502.20/x
  3. Step 3: Cross multiply
    663,138.20x = 994,707.30 × 164,502.20
  4. Step 4: Simplify right side
    663,138.20x = 163,631,539,206.06
  5. Step 5: Solve for x
    x = 163,631,539,206.06/663,138.20
  6. Step 6: Final answer
    x = 246,753.30

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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.