Home / 121,229.98-167,134.29-84,882.54

Finding the Fourth Proportional to 121,229.98, 167,134.29 and 84,882.54

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Solution

The fourth proportional to 121,229.98, 167,134.29 and 84,882.54 is: 117,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,229.98 : 167,134.29 = 84,882.54 : x
  2. Step 2: Convert to fraction form
    121,229.98/167,134.29 = 84,882.54/x
  3. Step 3: Cross multiply
    121,229.98x = 167,134.29 × 84,882.54
  4. Step 4: Simplify right side
    121,229.98x = 14,186,783,056.30
  5. Step 5: Solve for x
    x = 14,186,783,056.30/121,229.98
  6. Step 6: Final answer
    x = 117,023.72

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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.