Home / 87,436.80-131,090.40-59,286.60

Finding the Fourth Proportional to 87,436.80, 131,090.40 and 59,286.60

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Solution

The fourth proportional to 87,436.80, 131,090.40 and 59,286.60 is: 88,885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,436.80 : 131,090.40 = 59,286.60 : x
  2. Step 2: Convert to fraction form
    87,436.80/131,090.40 = 59,286.60/x
  3. Step 3: Cross multiply
    87,436.80x = 131,090.40 × 59,286.60
  4. Step 4: Simplify right side
    87,436.80x = 7,771,904,108.64
  5. Step 5: Solve for x
    x = 7,771,904,108.64/87,436.80
  6. Step 6: Final answer
    x = 88,885.96

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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.