Home / 141,747.52-195,549.60-85,126

Finding the Fourth Proportional to 141,747.52, 195,549.60 and 85,126

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Solution

The fourth proportional to 141,747.52, 195,549.60 and 85,126 is: 117,436.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,747.52 : 195,549.60 = 85,126 : x
  2. Step 2: Convert to fraction form
    141,747.52/195,549.60 = 85,126/x
  3. Step 3: Cross multiply
    141,747.52x = 195,549.60 × 85,126
  4. Step 4: Simplify right side
    141,747.52x = 16,646,355,249.60
  5. Step 5: Solve for x
    x = 16,646,355,249.60/141,747.52
  6. Step 6: Final answer
    x = 117,436.66

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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.