Home / 154,434.30-231,651.45-119,399.10

Finding the Fourth Proportional to 154,434.30, 231,651.45 and 119,399.10

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Solution

The fourth proportional to 154,434.30, 231,651.45 and 119,399.10 is: 179,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,434.30 : 231,651.45 = 119,399.10 : x
  2. Step 2: Convert to fraction form
    154,434.30/231,651.45 = 119,399.10/x
  3. Step 3: Cross multiply
    154,434.30x = 231,651.45 × 119,399.10
  4. Step 4: Simplify right side
    154,434.30x = 27,658,974,643.70
  5. Step 5: Solve for x
    x = 27,658,974,643.70/154,434.30
  6. Step 6: Final answer
    x = 179,098.65

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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.