Home / 99,275.20-149,085.60-52,619.20

Finding the Fourth Proportional to 99,275.20, 149,085.60 and 52,619.20

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Solution

The fourth proportional to 99,275.20, 149,085.60 and 52,619.20 is: 79,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,275.20 : 149,085.60 = 52,619.20 : x
  2. Step 2: Convert to fraction form
    99,275.20/149,085.60 = 52,619.20/x
  3. Step 3: Cross multiply
    99,275.20x = 149,085.60 × 52,619.20
  4. Step 4: Simplify right side
    99,275.20x = 7,844,765,003.52
  5. Step 5: Solve for x
    x = 7,844,765,003.52/99,275.20
  6. Step 6: Final answer
    x = 79,020.39

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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.