Home / 154,789.80-232,217.10-49,619.40

Finding the Fourth Proportional to 154,789.80, 232,217.10 and 49,619.40

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Solution

The fourth proportional to 154,789.80, 232,217.10 and 49,619.40 is: 74,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,789.80 : 232,217.10 = 49,619.40 : x
  2. Step 2: Convert to fraction form
    154,789.80/232,217.10 = 49,619.40/x
  3. Step 3: Cross multiply
    154,789.80x = 232,217.10 × 49,619.40
  4. Step 4: Simplify right side
    154,789.80x = 11,522,473,171.74
  5. Step 5: Solve for x
    x = 11,522,473,171.74/154,789.80
  6. Step 6: Final answer
    x = 74,439.49

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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.