Home / 247,836.12-342,002.68-140,403.96

Finding the Fourth Proportional to 247,836.12, 342,002.68 and 140,403.96

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Solution

The fourth proportional to 247,836.12, 342,002.68 and 140,403.96 is: 193,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,836.12 : 342,002.68 = 140,403.96 : x
  2. Step 2: Convert to fraction form
    247,836.12/342,002.68 = 140,403.96/x
  3. Step 3: Cross multiply
    247,836.12x = 342,002.68 × 140,403.96
  4. Step 4: Simplify right side
    247,836.12x = 48,018,530,602.61
  5. Step 5: Solve for x
    x = 48,018,530,602.61/247,836.12
  6. Step 6: Final answer
    x = 193,751.14

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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.