Home / 129,527.15-193,989.60-125,037.32

Finding the Fourth Proportional to 129,527.15, 193,989.60 and 125,037.32

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Solution

The fourth proportional to 129,527.15, 193,989.60 and 125,037.32 is: 187,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,527.15 : 193,989.60 = 125,037.32 : x
  2. Step 2: Convert to fraction form
    129,527.15/193,989.60 = 125,037.32/x
  3. Step 3: Cross multiply
    129,527.15x = 193,989.60 × 125,037.32
  4. Step 4: Simplify right side
    129,527.15x = 24,255,938,721.92
  5. Step 5: Solve for x
    x = 24,255,938,721.92/129,527.15
  6. Step 6: Final answer
    x = 187,265.29

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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.