Home / 247,999.15-342,265.57-140,557.65

Finding the Fourth Proportional to 247,999.15, 342,265.57 and 140,557.65

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Solution

The fourth proportional to 247,999.15, 342,265.57 and 140,557.65 is: 193,984.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,999.15 : 342,265.57 = 140,557.65 : x
  2. Step 2: Convert to fraction form
    247,999.15/342,265.57 = 140,557.65/x
  3. Step 3: Cross multiply
    247,999.15x = 342,265.57 × 140,557.65
  4. Step 4: Simplify right side
    247,999.15x = 48,108,042,560.22
  5. Step 5: Solve for x
    x = 48,108,042,560.22/247,999.15
  6. Step 6: Final answer
    x = 193,984.71

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1.5x scale

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.