Home / 161,746.20-242,648.46-55,124.28

Finding the Fourth Proportional to 161,746.20, 242,648.46 and 55,124.28

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Solution

The fourth proportional to 161,746.20, 242,648.46 and 55,124.28 is: 82,696.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,746.20 : 242,648.46 = 55,124.28 : x
  2. Step 2: Convert to fraction form
    161,746.20/242,648.46 = 55,124.28/x
  3. Step 3: Cross multiply
    161,746.20x = 242,648.46 × 55,124.28
  4. Step 4: Simplify right side
    161,746.20x = 13,375,821,650.61
  5. Step 5: Solve for x
    x = 13,375,821,650.61/161,746.20
  6. Step 6: Final answer
    x = 82,696.36

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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.