Home / 121,508.85-182,263.28-84,111.15

Finding the Fourth Proportional to 121,508.85, 182,263.28 and 84,111.15

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Solution

The fourth proportional to 121,508.85, 182,263.28 and 84,111.15 is: 126,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,508.85 : 182,263.28 = 84,111.15 : x
  2. Step 2: Convert to fraction form
    121,508.85/182,263.28 = 84,111.15/x
  3. Step 3: Cross multiply
    121,508.85x = 182,263.28 × 84,111.15
  4. Step 4: Simplify right side
    121,508.85x = 15,330,373,663.02
  5. Step 5: Solve for x
    x = 15,330,373,663.02/121,508.85
  6. Step 6: Final answer
    x = 126,166.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.