Home / 162,149.24-242,159.29-138,201.59

Finding the Fourth Proportional to 162,149.24, 242,159.29 and 138,201.59

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Solution

The fourth proportional to 162,149.24, 242,159.29 and 138,201.59 is: 206,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,149.24 : 242,159.29 = 138,201.59 : x
  2. Step 2: Convert to fraction form
    162,149.24/242,159.29 = 138,201.59/x
  3. Step 3: Cross multiply
    162,149.24x = 242,159.29 × 138,201.59
  4. Step 4: Simplify right side
    162,149.24x = 33,466,799,171.17
  5. Step 5: Solve for x
    x = 33,466,799,171.17/162,149.24
  6. Step 6: Final answer
    x = 206,395.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.