Home / 157,494.09-236,351.85-142,436.61

Finding the Fourth Proportional to 157,494.09, 236,351.85 and 142,436.61

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Solution

The fourth proportional to 157,494.09, 236,351.85 and 142,436.61 is: 213,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,494.09 : 236,351.85 = 142,436.61 : x
  2. Step 2: Convert to fraction form
    157,494.09/236,351.85 = 142,436.61/x
  3. Step 3: Cross multiply
    157,494.09x = 236,351.85 × 142,436.61
  4. Step 4: Simplify right side
    157,494.09x = 33,665,156,281.23
  5. Step 5: Solve for x
    x = 33,665,156,281.23/157,494.09
  6. Step 6: Final answer
    x = 213,755.04

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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.