Home / 179,738.71-248,040.77-99,169.17

Finding the Fourth Proportional to 179,738.71, 248,040.77 and 99,169.17

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Solution

The fourth proportional to 179,738.71, 248,040.77 and 99,169.17 is: 136,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,738.71 : 248,040.77 = 99,169.17 : x
  2. Step 2: Convert to fraction form
    179,738.71/248,040.77 = 99,169.17/x
  3. Step 3: Cross multiply
    179,738.71x = 248,040.77 × 99,169.17
  4. Step 4: Simplify right side
    179,738.71x = 24,597,998,023.47
  5. Step 5: Solve for x
    x = 24,597,998,023.47/179,738.71
  6. Step 6: Final answer
    x = 136,854.20

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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.