Home / 121,519.85-167,606.82-89,244.48

Finding the Fourth Proportional to 121,519.85, 167,606.82 and 89,244.48

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Solution

The fourth proportional to 121,519.85, 167,606.82 and 89,244.48 is: 123,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,519.85 : 167,606.82 = 89,244.48 : x
  2. Step 2: Convert to fraction form
    121,519.85/167,606.82 = 89,244.48/x
  3. Step 3: Cross multiply
    121,519.85x = 167,606.82 × 89,244.48
  4. Step 4: Simplify right side
    121,519.85x = 14,957,984,123.88
  5. Step 5: Solve for x
    x = 14,957,984,123.88/121,519.85
  6. Step 6: Final answer
    x = 123,090.88

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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.