Home / 124,025.20-171,152.68-67,438

Finding the Fourth Proportional to 124,025.20, 171,152.68 and 67,438

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Solution

The fourth proportional to 124,025.20, 171,152.68 and 67,438 is: 93,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,025.20 : 171,152.68 = 67,438 : x
  2. Step 2: Convert to fraction form
    124,025.20/171,152.68 = 67,438/x
  3. Step 3: Cross multiply
    124,025.20x = 171,152.68 × 67,438
  4. Step 4: Simplify right side
    124,025.20x = 11,542,194,433.84
  5. Step 5: Solve for x
    x = 11,542,194,433.84/124,025.20
  6. Step 6: Final answer
    x = 93,063.30

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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.