Home / 156,737.40-235,143.90-51,550.80

Finding the Fourth Proportional to 156,737.40, 235,143.90 and 51,550.80

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Solution

The fourth proportional to 156,737.40, 235,143.90 and 51,550.80 is: 77,338.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,737.40 : 235,143.90 = 51,550.80 : x
  2. Step 2: Convert to fraction form
    156,737.40/235,143.90 = 51,550.80/x
  3. Step 3: Cross multiply
    156,737.40x = 235,143.90 × 51,550.80
  4. Step 4: Simplify right side
    156,737.40x = 12,121,856,160.12
  5. Step 5: Solve for x
    x = 12,121,856,160.12/156,737.40
  6. Step 6: Final answer
    x = 77,338.63

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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.