Home / 99,394.02-149,074.29-28,311.66

Finding the Fourth Proportional to 99,394.02, 149,074.29 and 28,311.66

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Solution

The fourth proportional to 99,394.02, 149,074.29 and 28,311.66 is: 42,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,394.02 : 149,074.29 = 28,311.66 : x
  2. Step 2: Convert to fraction form
    99,394.02/149,074.29 = 28,311.66/x
  3. Step 3: Cross multiply
    99,394.02x = 149,074.29 × 28,311.66
  4. Step 4: Simplify right side
    99,394.02x = 4,220,540,613.22
  5. Step 5: Solve for x
    x = 4,220,540,613.22/99,394.02
  6. Step 6: Final answer
    x = 42,462.72

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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.