Home / 146,253.20-219,379.80-83,872.40

Finding the Fourth Proportional to 146,253.20, 219,379.80 and 83,872.40

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Solution

The fourth proportional to 146,253.20, 219,379.80 and 83,872.40 is: 125,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,253.20 : 219,379.80 = 83,872.40 : x
  2. Step 2: Convert to fraction form
    146,253.20/219,379.80 = 83,872.40/x
  3. Step 3: Cross multiply
    146,253.20x = 219,379.80 × 83,872.40
  4. Step 4: Simplify right side
    146,253.20x = 18,399,910,337.52
  5. Step 5: Solve for x
    x = 18,399,910,337.52/146,253.20
  6. Step 6: Final answer
    x = 125,808.60

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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.