Home / 158,104.41-218,122.83-100,733.52

Finding the Fourth Proportional to 158,104.41, 218,122.83 and 100,733.52

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Solution

The fourth proportional to 158,104.41, 218,122.83 and 100,733.52 is: 138,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,104.41 : 218,122.83 = 100,733.52 : x
  2. Step 2: Convert to fraction form
    158,104.41/218,122.83 = 100,733.52/x
  3. Step 3: Cross multiply
    158,104.41x = 218,122.83 × 100,733.52
  4. Step 4: Simplify right side
    158,104.41x = 21,972,280,458.26
  5. Step 5: Solve for x
    x = 21,972,280,458.26/158,104.41
  6. Step 6: Final answer
    x = 138,973.23

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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.