Home / 156,521.76-234,811.84-51,370.80

Finding the Fourth Proportional to 156,521.76, 234,811.84 and 51,370.80

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Solution

The fourth proportional to 156,521.76, 234,811.84 and 51,370.80 is: 77,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,521.76 : 234,811.84 = 51,370.80 : x
  2. Step 2: Convert to fraction form
    156,521.76/234,811.84 = 51,370.80/x
  3. Step 3: Cross multiply
    156,521.76x = 234,811.84 × 51,370.80
  4. Step 4: Simplify right side
    156,521.76x = 12,062,472,070.27
  5. Step 5: Solve for x
    x = 12,062,472,070.27/156,521.76
  6. Step 6: Final answer
    x = 77,065.78

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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.