Home / 101,539.27-152,340.05-45,426.61

Finding the Fourth Proportional to 101,539.27, 152,340.05 and 45,426.61

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Solution

The fourth proportional to 101,539.27, 152,340.05 and 45,426.61 is: 68,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,539.27 : 152,340.05 = 45,426.61 : x
  2. Step 2: Convert to fraction form
    101,539.27/152,340.05 = 45,426.61/x
  3. Step 3: Cross multiply
    101,539.27x = 152,340.05 × 45,426.61
  4. Step 4: Simplify right side
    101,539.27x = 6,920,292,038.73
  5. Step 5: Solve for x
    x = 6,920,292,038.73/101,539.27
  6. Step 6: Final answer
    x = 68,153.85

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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.