Home / 157,452.73-236,261.10-68,715.20

Finding the Fourth Proportional to 157,452.73, 236,261.10 and 68,715.20

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Solution

The fourth proportional to 157,452.73, 236,261.10 and 68,715.20 is: 103,108.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,452.73 : 236,261.10 = 68,715.20 : x
  2. Step 2: Convert to fraction form
    157,452.73/236,261.10 = 68,715.20/x
  3. Step 3: Cross multiply
    157,452.73x = 236,261.10 × 68,715.20
  4. Step 4: Simplify right side
    157,452.73x = 16,234,728,738.72
  5. Step 5: Solve for x
    x = 16,234,728,738.72/157,452.73
  6. Step 6: Final answer
    x = 103,108.59

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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.