Home / 99,474.93-149,212.85-40,311.72

Finding the Fourth Proportional to 99,474.93, 149,212.85 and 40,311.72

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Solution

The fourth proportional to 99,474.93, 149,212.85 and 40,311.72 is: 60,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,474.93 : 149,212.85 = 40,311.72 : x
  2. Step 2: Convert to fraction form
    99,474.93/149,212.85 = 40,311.72/x
  3. Step 3: Cross multiply
    99,474.93x = 149,212.85 × 40,311.72
  4. Step 4: Simplify right side
    99,474.93x = 6,015,026,428.04
  5. Step 5: Solve for x
    x = 6,015,026,428.04/99,474.93
  6. Step 6: Final answer
    x = 60,467.76

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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.