Home / 152,951.80-229,427.70-47,781.40

Finding the Fourth Proportional to 152,951.80, 229,427.70 and 47,781.40

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Solution

The fourth proportional to 152,951.80, 229,427.70 and 47,781.40 is: 71,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,951.80 : 229,427.70 = 47,781.40 : x
  2. Step 2: Convert to fraction form
    152,951.80/229,427.70 = 47,781.40/x
  3. Step 3: Cross multiply
    152,951.80x = 229,427.70 × 47,781.40
  4. Step 4: Simplify right side
    152,951.80x = 10,962,376,704.78
  5. Step 5: Solve for x
    x = 10,962,376,704.78/152,951.80
  6. Step 6: Final answer
    x = 71,672.10

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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.