Home / 99,394.27-149,074.66-28,311.91

Finding the Fourth Proportional to 99,394.27, 149,074.66 and 28,311.91

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Solution

The fourth proportional to 99,394.27, 149,074.66 and 28,311.91 is: 42,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,394.27 : 149,074.66 = 28,311.91 : x
  2. Step 2: Convert to fraction form
    99,394.27/149,074.66 = 28,311.91/x
  3. Step 3: Cross multiply
    99,394.27x = 149,074.66 × 28,311.91
  4. Step 4: Simplify right side
    99,394.27x = 4,220,588,357.20
  5. Step 5: Solve for x
    x = 4,220,588,357.20/99,394.27
  6. Step 6: Final answer
    x = 42,463.10

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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.