Home / 99,775.90-149,658.38-60,322.42

Finding the Fourth Proportional to 99,775.90, 149,658.38 and 60,322.42

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Solution

The fourth proportional to 99,775.90, 149,658.38 and 60,322.42 is: 90,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,775.90 : 149,658.38 = 60,322.42 : x
  2. Step 2: Convert to fraction form
    99,775.90/149,658.38 = 60,322.42/x
  3. Step 3: Cross multiply
    99,775.90x = 149,658.38 × 60,322.42
  4. Step 4: Simplify right side
    99,775.90x = 9,027,756,105.86
  5. Step 5: Solve for x
    x = 9,027,756,105.86/99,775.90
  6. Step 6: Final answer
    x = 90,480.33

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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.