Home / 99,247.68-148,872.54-29,128.32

Finding the Fourth Proportional to 99,247.68, 148,872.54 and 29,128.32

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Solution

The fourth proportional to 99,247.68, 148,872.54 and 29,128.32 is: 43,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,247.68 : 148,872.54 = 29,128.32 : x
  2. Step 2: Convert to fraction form
    99,247.68/148,872.54 = 29,128.32/x
  3. Step 3: Cross multiply
    99,247.68x = 148,872.54 × 29,128.32
  4. Step 4: Simplify right side
    99,247.68x = 4,336,406,984.33
  5. Step 5: Solve for x
    x = 4,336,406,984.33/99,247.68
  6. Step 6: Final answer
    x = 43,692.78

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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.