Home / 176,872.62-244,071.89-100,393.28

Finding the Fourth Proportional to 176,872.62, 244,071.89 and 100,393.28

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Solution

The fourth proportional to 176,872.62, 244,071.89 and 100,393.28 is: 138,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,872.62 : 244,071.89 = 100,393.28 : x
  2. Step 2: Convert to fraction form
    176,872.62/244,071.89 = 100,393.28/x
  3. Step 3: Cross multiply
    176,872.62x = 244,071.89 × 100,393.28
  4. Step 4: Simplify right side
    176,872.62x = 24,503,175,870.57
  5. Step 5: Solve for x
    x = 24,503,175,870.57/176,872.62
  6. Step 6: Final answer
    x = 138,535.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.