Home / 178,890.31-268,269.85-52,498.11

Finding the Fourth Proportional to 178,890.31, 268,269.85 and 52,498.11

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Solution

The fourth proportional to 178,890.31, 268,269.85 and 52,498.11 is: 78,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,890.31 : 268,269.85 = 52,498.11 : x
  2. Step 2: Convert to fraction form
    178,890.31/268,269.85 = 52,498.11/x
  3. Step 3: Cross multiply
    178,890.31x = 268,269.85 × 52,498.11
  4. Step 4: Simplify right side
    178,890.31x = 14,083,659,509.95
  5. Step 5: Solve for x
    x = 14,083,659,509.95/178,890.31
  6. Step 6: Final answer
    x = 78,727.91

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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.