Home / 99,286.20-148,914.90-29,158.20

Finding the Fourth Proportional to 99,286.20, 148,914.90 and 29,158.20

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Solution

The fourth proportional to 99,286.20, 148,914.90 and 29,158.20 is: 43,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,286.20 : 148,914.90 = 29,158.20 : x
  2. Step 2: Convert to fraction form
    99,286.20/148,914.90 = 29,158.20/x
  3. Step 3: Cross multiply
    99,286.20x = 148,914.90 × 29,158.20
  4. Step 4: Simplify right side
    99,286.20x = 4,342,090,437.18
  5. Step 5: Solve for x
    x = 4,342,090,437.18/99,286.20
  6. Step 6: Final answer
    x = 43,733.07

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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.