Home / 159,489.12-220,126.86-91,552.02

Finding the Fourth Proportional to 159,489.12, 220,126.86 and 91,552.02

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Solution

The fourth proportional to 159,489.12, 220,126.86 and 91,552.02 is: 126,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,489.12 : 220,126.86 = 91,552.02 : x
  2. Step 2: Convert to fraction form
    159,489.12/220,126.86 = 91,552.02/x
  3. Step 3: Cross multiply
    159,489.12x = 220,126.86 × 91,552.02
  4. Step 4: Simplify right side
    159,489.12x = 20,153,058,231.50
  5. Step 5: Solve for x
    x = 20,153,058,231.50/159,489.12
  6. Step 6: Final answer
    x = 126,360.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.