Home / 95,619.68-143,279.66-60,485.12

Finding the Fourth Proportional to 95,619.68, 143,279.66 and 60,485.12

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Solution

The fourth proportional to 95,619.68, 143,279.66 and 60,485.12 is: 90,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,619.68 : 143,279.66 = 60,485.12 : x
  2. Step 2: Convert to fraction form
    95,619.68/143,279.66 = 60,485.12/x
  3. Step 3: Cross multiply
    95,619.68x = 143,279.66 × 60,485.12
  4. Step 4: Simplify right side
    95,619.68x = 8,666,287,428.66
  5. Step 5: Solve for x
    x = 8,666,287,428.66/95,619.68
  6. Step 6: Final answer
    x = 90,632.88

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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.