Home / 90,954.43-124,608.17-87,545.42

Finding the Fourth Proportional to 90,954.43, 124,608.17 and 87,545.42

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Solution

The fourth proportional to 90,954.43, 124,608.17 and 87,545.42 is: 119,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,954.43 : 124,608.17 = 87,545.42 : x
  2. Step 2: Convert to fraction form
    90,954.43/124,608.17 = 87,545.42/x
  3. Step 3: Cross multiply
    90,954.43x = 124,608.17 × 87,545.42
  4. Step 4: Simplify right side
    90,954.43x = 10,908,875,108.47
  5. Step 5: Solve for x
    x = 10,908,875,108.47/90,954.43
  6. Step 6: Final answer
    x = 119,937.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.