Home / 122,520.38-183,694.16-47,578.10

Finding the Fourth Proportional to 122,520.38, 183,694.16 and 47,578.10

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Solution

The fourth proportional to 122,520.38, 183,694.16 and 47,578.10 is: 71,333.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,520.38 : 183,694.16 = 47,578.10 : x
  2. Step 2: Convert to fraction form
    122,520.38/183,694.16 = 47,578.10/x
  3. Step 3: Cross multiply
    122,520.38x = 183,694.16 × 47,578.10
  4. Step 4: Simplify right side
    122,520.38x = 8,739,819,113.90
  5. Step 5: Solve for x
    x = 8,739,819,113.90/122,520.38
  6. Step 6: Final answer
    x = 71,333.59

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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.