Home / 176,042.26-242,914.98-99,571.78

Finding the Fourth Proportional to 176,042.26, 242,914.98 and 99,571.78

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Solution

The fourth proportional to 176,042.26, 242,914.98 and 99,571.78 is: 137,395.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,042.26 : 242,914.98 = 99,571.78 : x
  2. Step 2: Convert to fraction form
    176,042.26/242,914.98 = 99,571.78/x
  3. Step 3: Cross multiply
    176,042.26x = 242,914.98 × 99,571.78
  4. Step 4: Simplify right side
    176,042.26x = 24,187,476,947.26
  5. Step 5: Solve for x
    x = 24,187,476,947.26/176,042.26
  6. Step 6: Final answer
    x = 137,395.86

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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.