Home / 87,338.57-131,035.56-31,177.45

Finding the Fourth Proportional to 87,338.57, 131,035.56 and 31,177.45

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Solution

The fourth proportional to 87,338.57, 131,035.56 and 31,177.45 is: 46,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,338.57 : 131,035.56 = 31,177.45 : x
  2. Step 2: Convert to fraction form
    87,338.57/131,035.56 = 31,177.45/x
  3. Step 3: Cross multiply
    87,338.57x = 131,035.56 × 31,177.45
  4. Step 4: Simplify right side
    87,338.57x = 4,085,353,809.06
  5. Step 5: Solve for x
    x = 4,085,353,809.06/87,338.57
  6. Step 6: Final answer
    x = 46,776.06

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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.