Home / 94,694.24-130,775.24-78,619.76

Finding the Fourth Proportional to 94,694.24, 130,775.24 and 78,619.76

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Solution

The fourth proportional to 94,694.24, 130,775.24 and 78,619.76 is: 108,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,694.24 : 130,775.24 = 78,619.76 : x
  2. Step 2: Convert to fraction form
    94,694.24/130,775.24 = 78,619.76/x
  3. Step 3: Cross multiply
    94,694.24x = 130,775.24 × 78,619.76
  4. Step 4: Simplify right side
    94,694.24x = 10,281,517,982.74
  5. Step 5: Solve for x
    x = 10,281,517,982.74/94,694.24
  6. Step 6: Final answer
    x = 108,575.96

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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.