Home / 96,966.13-145,351.86-40,819.90

Finding the Fourth Proportional to 96,966.13, 145,351.86 and 40,819.90

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Solution

The fourth proportional to 96,966.13, 145,351.86 and 40,819.90 is: 61,188.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,966.13 : 145,351.86 = 40,819.90 : x
  2. Step 2: Convert to fraction form
    96,966.13/145,351.86 = 40,819.90/x
  3. Step 3: Cross multiply
    96,966.13x = 145,351.86 × 40,819.90
  4. Step 4: Simplify right side
    96,966.13x = 5,933,248,390.01
  5. Step 5: Solve for x
    x = 5,933,248,390.01/96,966.13
  6. Step 6: Final answer
    x = 61,188.87

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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.