Home / 110,901.30-166,319.55-39,815.70

Finding the Fourth Proportional to 110,901.30, 166,319.55 and 39,815.70

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Solution

The fourth proportional to 110,901.30, 166,319.55 and 39,815.70 is: 59,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,901.30 : 166,319.55 = 39,815.70 : x
  2. Step 2: Convert to fraction form
    110,901.30/166,319.55 = 39,815.70/x
  3. Step 3: Cross multiply
    110,901.30x = 166,319.55 × 39,815.70
  4. Step 4: Simplify right side
    110,901.30x = 6,622,129,306.94
  5. Step 5: Solve for x
    x = 6,622,129,306.94/110,901.30
  6. Step 6: Final answer
    x = 59,711.92

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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.