Home / 156,321.80-234,532.92-51,116.84

Finding the Fourth Proportional to 156,321.80, 234,532.92 and 51,116.84

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Solution

The fourth proportional to 156,321.80, 234,532.92 and 51,116.84 is: 76,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,321.80 : 234,532.92 = 51,116.84 : x
  2. Step 2: Convert to fraction form
    156,321.80/234,532.92 = 51,116.84/x
  3. Step 3: Cross multiply
    156,321.80x = 234,532.92 × 51,116.84
  4. Step 4: Simplify right side
    156,321.80x = 11,988,581,746.37
  5. Step 5: Solve for x
    x = 11,988,581,746.37/156,321.80
  6. Step 6: Final answer
    x = 76,691.68

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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.