Home / 247,945.17-342,151.22-140,516.49

Finding the Fourth Proportional to 247,945.17, 342,151.22 and 140,516.49

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Solution

The fourth proportional to 247,945.17, 342,151.22 and 140,516.49 is: 193,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,945.17 : 342,151.22 = 140,516.49 : x
  2. Step 2: Convert to fraction form
    247,945.17/342,151.22 = 140,516.49/x
  3. Step 3: Cross multiply
    247,945.17x = 342,151.22 × 140,516.49
  4. Step 4: Simplify right side
    247,945.17x = 48,077,887,781.04
  5. Step 5: Solve for x
    x = 48,077,887,781.04/247,945.17
  6. Step 6: Final answer
    x = 193,905.32

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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.