Home / 158,436.75-218,671.41-101,093.88

Finding the Fourth Proportional to 158,436.75, 218,671.41 and 101,093.88

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Solution

The fourth proportional to 158,436.75, 218,671.41 and 101,093.88 is: 139,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,436.75 : 218,671.41 = 101,093.88 : x
  2. Step 2: Convert to fraction form
    158,436.75/218,671.41 = 101,093.88/x
  3. Step 3: Cross multiply
    158,436.75x = 218,671.41 × 101,093.88
  4. Step 4: Simplify right side
    158,436.75x = 22,106,341,281.97
  5. Step 5: Solve for x
    x = 22,106,341,281.97/158,436.75
  6. Step 6: Final answer
    x = 139,527.86

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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.