Home / 121,207.20-181,659.60-62,066.40

Finding the Fourth Proportional to 121,207.20, 181,659.60 and 62,066.40

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Solution

The fourth proportional to 121,207.20, 181,659.60 and 62,066.40 is: 93,022.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,207.20 : 181,659.60 = 62,066.40 : x
  2. Step 2: Convert to fraction form
    121,207.20/181,659.60 = 62,066.40/x
  3. Step 3: Cross multiply
    121,207.20x = 181,659.60 × 62,066.40
  4. Step 4: Simplify right side
    121,207.20x = 11,274,957,397.44
  5. Step 5: Solve for x
    x = 11,274,957,397.44/121,207.20
  6. Step 6: Final answer
    x = 93,022.18

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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.