Home / 134,449.20-201,411.36-81,727.92

Finding the Fourth Proportional to 134,449.20, 201,411.36 and 81,727.92

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Solution

The fourth proportional to 134,449.20, 201,411.36 and 81,727.92 is: 122,432.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,449.20 : 201,411.36 = 81,727.92 : x
  2. Step 2: Convert to fraction form
    134,449.20/201,411.36 = 81,727.92/x
  3. Step 3: Cross multiply
    134,449.20x = 201,411.36 × 81,727.92
  4. Step 4: Simplify right side
    134,449.20x = 16,460,931,517.17
  5. Step 5: Solve for x
    x = 16,460,931,517.17/134,449.20
  6. Step 6: Final answer
    x = 122,432.35

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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.