Home / 121,407.27-182,116.35-45,523.77

Finding the Fourth Proportional to 121,407.27, 182,116.35 and 45,523.77

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Solution

The fourth proportional to 121,407.27, 182,116.35 and 45,523.77 is: 68,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,407.27 : 182,116.35 = 45,523.77 : x
  2. Step 2: Convert to fraction form
    121,407.27/182,116.35 = 45,523.77/x
  3. Step 3: Cross multiply
    121,407.27x = 182,116.35 × 45,523.77
  4. Step 4: Simplify right side
    121,407.27x = 8,290,622,830.64
  5. Step 5: Solve for x
    x = 8,290,622,830.64/121,407.27
  6. Step 6: Final answer
    x = 68,287.70

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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.