Home / 99,072.68-148,355.28-54,650.05

Finding the Fourth Proportional to 99,072.68, 148,355.28 and 54,650.05

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Solution

The fourth proportional to 99,072.68, 148,355.28 and 54,650.05 is: 81,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072.68 : 148,355.28 = 54,650.05 : x
  2. Step 2: Convert to fraction form
    99,072.68/148,355.28 = 54,650.05/x
  3. Step 3: Cross multiply
    99,072.68x = 148,355.28 × 54,650.05
  4. Step 4: Simplify right side
    99,072.68x = 8,107,623,098.88
  5. Step 5: Solve for x
    x = 8,107,623,098.88/99,072.68
  6. Step 6: Final answer
    x = 81,835.11

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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.