Home / 99,070.05-148,418.24-76,774.44

Finding the Fourth Proportional to 99,070.05, 148,418.24 and 76,774.44

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Solution

The fourth proportional to 99,070.05, 148,418.24 and 76,774.44 is: 115,016.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,070.05 : 148,418.24 = 76,774.44 : x
  2. Step 2: Convert to fraction form
    99,070.05/148,418.24 = 76,774.44/x
  3. Step 3: Cross multiply
    99,070.05x = 148,418.24 × 76,774.44
  4. Step 4: Simplify right side
    99,070.05x = 11,394,727,261.79
  5. Step 5: Solve for x
    x = 11,394,727,261.79/99,070.05
  6. Step 6: Final answer
    x = 115,016.87

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1.5x scale

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.