Home / 88,365.13-131,548.32-87,839.73

Finding the Fourth Proportional to 88,365.13, 131,548.32 and 87,839.73

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Solution

The fourth proportional to 88,365.13, 131,548.32 and 87,839.73 is: 130,766.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,365.13 : 131,548.32 = 87,839.73 : x
  2. Step 2: Convert to fraction form
    88,365.13/131,548.32 = 87,839.73/x
  3. Step 3: Cross multiply
    88,365.13x = 131,548.32 × 87,839.73
  4. Step 4: Simplify right side
    88,365.13x = 11,555,168,910.75
  5. Step 5: Solve for x
    x = 11,555,168,910.75/88,365.13
  6. Step 6: Final answer
    x = 130,766.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.