Home / 152,869.40-229,304.10-47,688.20

Finding the Fourth Proportional to 152,869.40, 229,304.10 and 47,688.20

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Solution

The fourth proportional to 152,869.40, 229,304.10 and 47,688.20 is: 71,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,869.40 : 229,304.10 = 47,688.20 : x
  2. Step 2: Convert to fraction form
    152,869.40/229,304.10 = 47,688.20/x
  3. Step 3: Cross multiply
    152,869.40x = 229,304.10 × 47,688.20
  4. Step 4: Simplify right side
    152,869.40x = 10,935,099,781.62
  5. Step 5: Solve for x
    x = 10,935,099,781.62/152,869.40
  6. Step 6: Final answer
    x = 71,532.30

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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.