Home / 99,610.68-149,460.06-52,214.46

Finding the Fourth Proportional to 99,610.68, 149,460.06 and 52,214.46

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Solution

The fourth proportional to 99,610.68, 149,460.06 and 52,214.46 is: 78,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,610.68 : 149,460.06 = 52,214.46 : x
  2. Step 2: Convert to fraction form
    99,610.68/149,460.06 = 52,214.46/x
  3. Step 3: Cross multiply
    99,610.68x = 149,460.06 × 52,214.46
  4. Step 4: Simplify right side
    99,610.68x = 7,803,976,324.47
  5. Step 5: Solve for x
    x = 7,803,976,324.47/99,610.68
  6. Step 6: Final answer
    x = 78,344.78

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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.