Home / 141,707.28-195,562.08-81,294.96

Finding the Fourth Proportional to 141,707.28, 195,562.08 and 81,294.96

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Solution

The fourth proportional to 141,707.28, 195,562.08 and 81,294.96 is: 112,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,707.28 : 195,562.08 = 81,294.96 : x
  2. Step 2: Convert to fraction form
    141,707.28/195,562.08 = 81,294.96/x
  3. Step 3: Cross multiply
    141,707.28x = 195,562.08 × 81,294.96
  4. Step 4: Simplify right side
    141,707.28x = 15,898,211,471.12
  5. Step 5: Solve for x
    x = 15,898,211,471.12/141,707.28
  6. Step 6: Final answer
    x = 112,190.51

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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.