Home / 76,140.80-114,215.68-29,393.92

Finding the Fourth Proportional to 76,140.80, 114,215.68 and 29,393.92

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Solution

The fourth proportional to 76,140.80, 114,215.68 and 29,393.92 is: 44,092.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,140.80 : 114,215.68 = 29,393.92 : x
  2. Step 2: Convert to fraction form
    76,140.80/114,215.68 = 29,393.92/x
  3. Step 3: Cross multiply
    76,140.80x = 114,215.68 × 29,393.92
  4. Step 4: Simplify right side
    76,140.80x = 3,357,246,560.67
  5. Step 5: Solve for x
    x = 3,357,246,560.67/76,140.80
  6. Step 6: Final answer
    x = 44,092.61

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1.5x scale

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.