Home / 158,133.33-218,356.97-112,949.91

Finding the Fourth Proportional to 158,133.33, 218,356.97 and 112,949.91

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Solution

The fourth proportional to 158,133.33, 218,356.97 and 112,949.91 is: 155,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,133.33 : 218,356.97 = 112,949.91 : x
  2. Step 2: Convert to fraction form
    158,133.33/218,356.97 = 112,949.91/x
  3. Step 3: Cross multiply
    158,133.33x = 218,356.97 × 112,949.91
  4. Step 4: Simplify right side
    158,133.33x = 24,663,399,544.62
  5. Step 5: Solve for x
    x = 24,663,399,544.62/158,133.33
  6. Step 6: Final answer
    x = 155,965.85

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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.