Home / 152,729.79-229,002.61-68,474.71

Finding the Fourth Proportional to 152,729.79, 229,002.61 and 68,474.71

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Solution

The fourth proportional to 152,729.79, 229,002.61 and 68,474.71 is: 102,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,729.79 : 229,002.61 = 68,474.71 : x
  2. Step 2: Convert to fraction form
    152,729.79/229,002.61 = 68,474.71/x
  3. Step 3: Cross multiply
    152,729.79x = 229,002.61 × 68,474.71
  4. Step 4: Simplify right side
    152,729.79x = 15,680,887,308.99
  5. Step 5: Solve for x
    x = 15,680,887,308.99/152,729.79
  6. Step 6: Final answer
    x = 102,670.78

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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.