Home / 146,815.20-220,280.40-53,330.40

Finding the Fourth Proportional to 146,815.20, 220,280.40 and 53,330.40

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Solution

The fourth proportional to 146,815.20, 220,280.40 and 53,330.40 is: 80,016.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,815.20 : 220,280.40 = 53,330.40 : x
  2. Step 2: Convert to fraction form
    146,815.20/220,280.40 = 53,330.40/x
  3. Step 3: Cross multiply
    146,815.20x = 220,280.40 × 53,330.40
  4. Step 4: Simplify right side
    146,815.20x = 11,747,641,844.16
  5. Step 5: Solve for x
    x = 11,747,641,844.16/146,815.20
  6. Step 6: Final answer
    x = 80,016.52

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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.