Home / 134,961.76-202,565.46-71,834.86

Finding the Fourth Proportional to 134,961.76, 202,565.46 and 71,834.86

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Solution

The fourth proportional to 134,961.76, 202,565.46 and 71,834.86 is: 107,817.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,961.76 : 202,565.46 = 71,834.86 : x
  2. Step 2: Convert to fraction form
    134,961.76/202,565.46 = 71,834.86/x
  3. Step 3: Cross multiply
    134,961.76x = 202,565.46 × 71,834.86
  4. Step 4: Simplify right side
    134,961.76x = 14,551,261,459.94
  5. Step 5: Solve for x
    x = 14,551,261,459.94/134,961.76
  6. Step 6: Final answer
    x = 107,817.66

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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.