Home / 99,428.03-149,165.40-32,868.15

Finding the Fourth Proportional to 99,428.03, 149,165.40 and 32,868.15

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Solution

The fourth proportional to 99,428.03, 149,165.40 and 32,868.15 is: 49,309.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,428.03 : 149,165.40 = 32,868.15 : x
  2. Step 2: Convert to fraction form
    99,428.03/149,165.40 = 32,868.15/x
  3. Step 3: Cross multiply
    99,428.03x = 149,165.40 × 32,868.15
  4. Step 4: Simplify right side
    99,428.03x = 4,902,791,379.60
  5. Step 5: Solve for x
    x = 4,902,791,379.60/99,428.03
  6. Step 6: Final answer
    x = 49,309.95

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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.