Home / 99,834.67-149,787.66-42,884.65

Finding the Fourth Proportional to 99,834.67, 149,787.66 and 42,884.65

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Solution

The fourth proportional to 99,834.67, 149,787.66 and 42,884.65 is: 64,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,834.67 : 149,787.66 = 42,884.65 : x
  2. Step 2: Convert to fraction form
    99,834.67/149,787.66 = 42,884.65/x
  3. Step 3: Cross multiply
    99,834.67x = 149,787.66 × 42,884.65
  4. Step 4: Simplify right side
    99,834.67x = 6,423,591,373.42
  5. Step 5: Solve for x
    x = 6,423,591,373.42/99,834.67
  6. Step 6: Final answer
    x = 64,342.29

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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.