Home / 146,379.20-219,419.15-83,065.55

Finding the Fourth Proportional to 146,379.20, 219,419.15 and 83,065.55

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Solution

The fourth proportional to 146,379.20, 219,419.15 and 83,065.55 is: 124,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,379.20 : 219,419.15 = 83,065.55 : x
  2. Step 2: Convert to fraction form
    146,379.20/219,419.15 = 83,065.55/x
  3. Step 3: Cross multiply
    146,379.20x = 219,419.15 × 83,065.55
  4. Step 4: Simplify right side
    146,379.20x = 18,226,170,862.86
  5. Step 5: Solve for x
    x = 18,226,170,862.86/146,379.20
  6. Step 6: Final answer
    x = 124,513.40

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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.