Home / 161,737.49-223,194.77-90,115.97

Finding the Fourth Proportional to 161,737.49, 223,194.77 and 90,115.97

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Solution

The fourth proportional to 161,737.49, 223,194.77 and 90,115.97 is: 124,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,737.49 : 223,194.77 = 90,115.97 : x
  2. Step 2: Convert to fraction form
    161,737.49/223,194.77 = 90,115.97/x
  3. Step 3: Cross multiply
    161,737.49x = 223,194.77 × 90,115.97
  4. Step 4: Simplify right side
    161,737.49x = 20,113,412,746.90
  5. Step 5: Solve for x
    x = 20,113,412,746.90/161,737.49
  6. Step 6: Final answer
    x = 124,358.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.