Home / 146,780.10-220,170.15-75,921.30

Finding the Fourth Proportional to 146,780.10, 220,170.15 and 75,921.30

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Solution

The fourth proportional to 146,780.10, 220,170.15 and 75,921.30 is: 113,881.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,780.10 : 220,170.15 = 75,921.30 : x
  2. Step 2: Convert to fraction form
    146,780.10/220,170.15 = 75,921.30/x
  3. Step 3: Cross multiply
    146,780.10x = 220,170.15 × 75,921.30
  4. Step 4: Simplify right side
    146,780.10x = 16,715,604,009.20
  5. Step 5: Solve for x
    x = 16,715,604,009.20/146,780.10
  6. Step 6: Final answer
    x = 113,881.95

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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.