Home / 146,723.93-220,001.49-78,251.02

Finding the Fourth Proportional to 146,723.93, 220,001.49 and 78,251.02

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Solution

The fourth proportional to 146,723.93, 220,001.49 and 78,251.02 is: 117,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,723.93 : 220,001.49 = 78,251.02 : x
  2. Step 2: Convert to fraction form
    146,723.93/220,001.49 = 78,251.02/x
  3. Step 3: Cross multiply
    146,723.93x = 220,001.49 × 78,251.02
  4. Step 4: Simplify right side
    146,723.93x = 17,215,339,894.01
  5. Step 5: Solve for x
    x = 17,215,339,894.01/146,723.93
  6. Step 6: Final answer
    x = 117,331.51

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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.