Home / 179,642.90-247,908.97-99,073.70

Finding the Fourth Proportional to 179,642.90, 247,908.97 and 99,073.70

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Solution

The fourth proportional to 179,642.90, 247,908.97 and 99,073.70 is: 136,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,642.90 : 247,908.97 = 99,073.70 : x
  2. Step 2: Convert to fraction form
    179,642.90/247,908.97 = 99,073.70/x
  3. Step 3: Cross multiply
    179,642.90x = 247,908.97 × 99,073.70
  4. Step 4: Simplify right side
    179,642.90x = 24,561,258,921.09
  5. Step 5: Solve for x
    x = 24,561,258,921.09/179,642.90
  6. Step 6: Final answer
    x = 136,722.68

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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.