Home / 146,726.13-220,089.20-80,129.93

Finding the Fourth Proportional to 146,726.13, 220,089.20 and 80,129.93

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Solution

The fourth proportional to 146,726.13, 220,089.20 and 80,129.93 is: 120,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,726.13 : 220,089.20 = 80,129.93 : x
  2. Step 2: Convert to fraction form
    146,726.13/220,089.20 = 80,129.93/x
  3. Step 3: Cross multiply
    146,726.13x = 220,089.20 × 80,129.93
  4. Step 4: Simplify right side
    146,726.13x = 17,635,730,688.66
  5. Step 5: Solve for x
    x = 17,635,730,688.66/146,726.13
  6. Step 6: Final answer
    x = 120,194.89

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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.