Home / 247,614.60-371,421.90-89,822.55

Finding the Fourth Proportional to 247,614.60, 371,421.90 and 89,822.55

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Solution

The fourth proportional to 247,614.60, 371,421.90 and 89,822.55 is: 134,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,614.60 : 371,421.90 = 89,822.55 : x
  2. Step 2: Convert to fraction form
    247,614.60/371,421.90 = 89,822.55/x
  3. Step 3: Cross multiply
    247,614.60x = 371,421.90 × 89,822.55
  4. Step 4: Simplify right side
    247,614.60x = 33,362,062,183.85
  5. Step 5: Solve for x
    x = 33,362,062,183.85/247,614.60
  6. Step 6: Final answer
    x = 134,733.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.