Home / 247,868.91-371,826.42-87,929.15

Finding the Fourth Proportional to 247,868.91, 371,826.42 and 87,929.15

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Solution

The fourth proportional to 247,868.91, 371,826.42 and 87,929.15 is: 131,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,868.91 : 371,826.42 = 87,929.15 : x
  2. Step 2: Convert to fraction form
    247,868.91/371,826.42 = 87,929.15/x
  3. Step 3: Cross multiply
    247,868.91x = 371,826.42 × 87,929.15
  4. Step 4: Simplify right side
    247,868.91x = 32,694,379,199.01
  5. Step 5: Solve for x
    x = 32,694,379,199.01/247,868.91
  6. Step 6: Final answer
    x = 131,901.90

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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.