Home / 247,948.97-342,162.81-140,528.97

Finding the Fourth Proportional to 247,948.97, 342,162.81 and 140,528.97

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Solution

The fourth proportional to 247,948.97, 342,162.81 and 140,528.97 is: 193,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,948.97 : 342,162.81 = 140,528.97 : x
  2. Step 2: Convert to fraction form
    247,948.97/342,162.81 = 140,528.97/x
  3. Step 3: Cross multiply
    247,948.97x = 342,162.81 × 140,528.97
  4. Step 4: Simplify right side
    247,948.97x = 48,083,787,261.61
  5. Step 5: Solve for x
    x = 48,083,787,261.61/247,948.97
  6. Step 6: Final answer
    x = 193,926.15

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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.