Home / 135,894.02-187,503.55-82,177.91

Finding the Fourth Proportional to 135,894.02, 187,503.55 and 82,177.91

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Solution

The fourth proportional to 135,894.02, 187,503.55 and 82,177.91 is: 113,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,894.02 : 187,503.55 = 82,177.91 : x
  2. Step 2: Convert to fraction form
    135,894.02/187,503.55 = 82,177.91/x
  3. Step 3: Cross multiply
    135,894.02x = 187,503.55 × 82,177.91
  4. Step 4: Simplify right side
    135,894.02x = 15,408,649,856.58
  5. Step 5: Solve for x
    x = 15,408,649,856.58/135,894.02
  6. Step 6: Final answer
    x = 113,387.25

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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.