Home / 123,063.12-169,827.18-66,474.50

Finding the Fourth Proportional to 123,063.12, 169,827.18 and 66,474.50

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Solution

The fourth proportional to 123,063.12, 169,827.18 and 66,474.50 is: 91,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,063.12 : 169,827.18 = 66,474.50 : x
  2. Step 2: Convert to fraction form
    123,063.12/169,827.18 = 66,474.50/x
  3. Step 3: Cross multiply
    123,063.12x = 169,827.18 × 66,474.50
  4. Step 4: Simplify right side
    123,063.12x = 11,289,176,876.91
  5. Step 5: Solve for x
    x = 11,289,176,876.91/123,063.12
  6. Step 6: Final answer
    x = 91,734.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.