Home / 146,780.94-220,102.02-56,865.78

Finding the Fourth Proportional to 146,780.94, 220,102.02 and 56,865.78

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Solution

The fourth proportional to 146,780.94, 220,102.02 and 56,865.78 is: 85,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,780.94 : 220,102.02 = 56,865.78 : x
  2. Step 2: Convert to fraction form
    146,780.94/220,102.02 = 56,865.78/x
  3. Step 3: Cross multiply
    146,780.94x = 220,102.02 × 56,865.78
  4. Step 4: Simplify right side
    146,780.94x = 12,516,273,046.88
  5. Step 5: Solve for x
    x = 12,516,273,046.88/146,780.94
  6. Step 6: Final answer
    x = 85,271.79

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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.