Home / 129,214.56-193,822.17-40,475.82

Finding the Fourth Proportional to 129,214.56, 193,822.17 and 40,475.82

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Solution

The fourth proportional to 129,214.56, 193,822.17 and 40,475.82 is: 60,713.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,214.56 : 193,822.17 = 40,475.82 : x
  2. Step 2: Convert to fraction form
    129,214.56/193,822.17 = 40,475.82/x
  3. Step 3: Cross multiply
    129,214.56x = 193,822.17 × 40,475.82
  4. Step 4: Simplify right side
    129,214.56x = 7,845,111,264.93
  5. Step 5: Solve for x
    x = 7,845,111,264.93/129,214.56
  6. Step 6: Final answer
    x = 60,713.83

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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.