Home / 247,866.15-342,054.38-140,456.71

Finding the Fourth Proportional to 247,866.15, 342,054.38 and 140,456.71

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Solution

The fourth proportional to 247,866.15, 342,054.38 and 140,456.71 is: 193,829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,866.15 : 342,054.38 = 140,456.71 : x
  2. Step 2: Convert to fraction form
    247,866.15/342,054.38 = 140,456.71/x
  3. Step 3: Cross multiply
    247,866.15x = 342,054.38 × 140,456.71
  4. Step 4: Simplify right side
    247,866.15x = 48,043,832,351.90
  5. Step 5: Solve for x
    x = 48,043,832,351.90/247,866.15
  6. Step 6: Final answer
    x = 193,829.74

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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.