Home / 99,474.48-149,195.52-40,307.76

Finding the Fourth Proportional to 99,474.48, 149,195.52 and 40,307.76

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Solution

The fourth proportional to 99,474.48, 149,195.52 and 40,307.76 is: 60,455.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,474.48 : 149,195.52 = 40,307.76 : x
  2. Step 2: Convert to fraction form
    99,474.48/149,195.52 = 40,307.76/x
  3. Step 3: Cross multiply
    99,474.48x = 149,195.52 × 40,307.76
  4. Step 4: Simplify right side
    99,474.48x = 6,013,737,213.24
  5. Step 5: Solve for x
    x = 6,013,737,213.24/99,474.48
  6. Step 6: Final answer
    x = 60,455.08

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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.