Home / 154,113.12-231,179.76-47,484

Finding the Fourth Proportional to 154,113.12, 231,179.76 and 47,484

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Solution

The fourth proportional to 154,113.12, 231,179.76 and 47,484 is: 71,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,113.12 : 231,179.76 = 47,484 : x
  2. Step 2: Convert to fraction form
    154,113.12/231,179.76 = 47,484/x
  3. Step 3: Cross multiply
    154,113.12x = 231,179.76 × 47,484
  4. Step 4: Simplify right side
    154,113.12x = 10,977,339,723.84
  5. Step 5: Solve for x
    x = 10,977,339,723.84/154,113.12
  6. Step 6: Final answer
    x = 71,229.11

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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.