Home / 156,156.39-234,236.54-54,957.49

Finding the Fourth Proportional to 156,156.39, 234,236.54 and 54,957.49

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Solution

The fourth proportional to 156,156.39, 234,236.54 and 54,957.49 is: 82,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,156.39 : 234,236.54 = 54,957.49 : x
  2. Step 2: Convert to fraction form
    156,156.39/234,236.54 = 54,957.49/x
  3. Step 3: Cross multiply
    156,156.39x = 234,236.54 × 54,957.49
  4. Step 4: Simplify right side
    156,156.39x = 12,873,051,856.49
  5. Step 5: Solve for x
    x = 12,873,051,856.49/156,156.39
  6. Step 6: Final answer
    x = 82,436.92

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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.