Home / 121,355.28-167,422.14-73,591.20

Finding the Fourth Proportional to 121,355.28, 167,422.14 and 73,591.20

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Solution

The fourth proportional to 121,355.28, 167,422.14 and 73,591.20 is: 101,526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,355.28 : 167,422.14 = 73,591.20 : x
  2. Step 2: Convert to fraction form
    121,355.28/167,422.14 = 73,591.20/x
  3. Step 3: Cross multiply
    121,355.28x = 167,422.14 × 73,591.20
  4. Step 4: Simplify right side
    121,355.28x = 12,320,796,189.17
  5. Step 5: Solve for x
    x = 12,320,796,189.17/121,355.28
  6. Step 6: Final answer
    x = 101,526.66

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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.