Home / 159,489.37-220,127.20-91,552.27

Finding the Fourth Proportional to 159,489.37, 220,127.20 and 91,552.27

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Solution

The fourth proportional to 159,489.37, 220,127.20 and 91,552.27 is: 126,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,489.37 : 220,127.20 = 91,552.27 : x
  2. Step 2: Convert to fraction form
    159,489.37/220,127.20 = 91,552.27/x
  3. Step 3: Cross multiply
    159,489.37x = 220,127.20 × 91,552.27
  4. Step 4: Simplify right side
    159,489.37x = 20,153,144,069.55
  5. Step 5: Solve for x
    x = 20,153,144,069.55/159,489.37
  6. Step 6: Final answer
    x = 126,360.42

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1.5x scale

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.