Home / 146,747.10-220,120.65-53,319.90

Finding the Fourth Proportional to 146,747.10, 220,120.65 and 53,319.90

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Solution

The fourth proportional to 146,747.10, 220,120.65 and 53,319.90 is: 79,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,747.10 : 220,120.65 = 53,319.90 : x
  2. Step 2: Convert to fraction form
    146,747.10/220,120.65 = 53,319.90/x
  3. Step 3: Cross multiply
    146,747.10x = 220,120.65 × 53,319.90
  4. Step 4: Simplify right side
    146,747.10x = 11,736,811,045.94
  5. Step 5: Solve for x
    x = 11,736,811,045.94/146,747.10
  6. Step 6: Final answer
    x = 79,979.85

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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.