Home / 129,254.10-193,908.42-65,248.71

Finding the Fourth Proportional to 129,254.10, 193,908.42 and 65,248.71

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Solution

The fourth proportional to 129,254.10, 193,908.42 and 65,248.71 is: 97,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,254.10 : 193,908.42 = 65,248.71 : x
  2. Step 2: Convert to fraction form
    129,254.10/193,908.42 = 65,248.71/x
  3. Step 3: Cross multiply
    129,254.10x = 193,908.42 × 65,248.71
  4. Step 4: Simplify right side
    129,254.10x = 12,652,274,263.14
  5. Step 5: Solve for x
    x = 12,652,274,263.14/129,254.10
  6. Step 6: Final answer
    x = 97,886.83

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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.