Home / 135,569.22-187,086.90-75,141.19

Finding the Fourth Proportional to 135,569.22, 187,086.90 and 75,141.19

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Solution

The fourth proportional to 135,569.22, 187,086.90 and 75,141.19 is: 103,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,569.22 : 187,086.90 = 75,141.19 : x
  2. Step 2: Convert to fraction form
    135,569.22/187,086.90 = 75,141.19/x
  3. Step 3: Cross multiply
    135,569.22x = 187,086.90 × 75,141.19
  4. Step 4: Simplify right side
    135,569.22x = 14,057,932,299.41
  5. Step 5: Solve for x
    x = 14,057,932,299.41/135,569.22
  6. Step 6: Final answer
    x = 103,695.61

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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.