Home / 156,350.40-234,439.20-51,115.20

Finding the Fourth Proportional to 156,350.40, 234,439.20 and 51,115.20

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Solution

The fourth proportional to 156,350.40, 234,439.20 and 51,115.20 is: 76,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,350.40 : 234,439.20 = 51,115.20 : x
  2. Step 2: Convert to fraction form
    156,350.40/234,439.20 = 51,115.20/x
  3. Step 3: Cross multiply
    156,350.40x = 234,439.20 × 51,115.20
  4. Step 4: Simplify right side
    156,350.40x = 11,983,406,595.84
  5. Step 5: Solve for x
    x = 11,983,406,595.84/156,350.40
  6. Step 6: Final answer
    x = 76,644.55

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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.