Home / 94,839.12-130,836.87-57,091.50

Finding the Fourth Proportional to 94,839.12, 130,836.87 and 57,091.50

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Solution

The fourth proportional to 94,839.12, 130,836.87 and 57,091.50 is: 78,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,839.12 : 130,836.87 = 57,091.50 : x
  2. Step 2: Convert to fraction form
    94,839.12/130,836.87 = 57,091.50/x
  3. Step 3: Cross multiply
    94,839.12x = 130,836.87 × 57,091.50
  4. Step 4: Simplify right side
    94,839.12x = 7,469,673,163.61
  5. Step 5: Solve for x
    x = 7,469,673,163.61/94,839.12
  6. Step 6: Final answer
    x = 78,761.52

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1.5x scale

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.