Home / 158,546.90-218,623.82-120,376.46

Finding the Fourth Proportional to 158,546.90, 218,623.82 and 120,376.46

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Solution

The fourth proportional to 158,546.90, 218,623.82 and 120,376.46 is: 165,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,546.90 : 218,623.82 = 120,376.46 : x
  2. Step 2: Convert to fraction form
    158,546.90/218,623.82 = 120,376.46/x
  3. Step 3: Cross multiply
    158,546.90x = 218,623.82 × 120,376.46
  4. Step 4: Simplify right side
    158,546.90x = 26,317,159,828.28
  5. Step 5: Solve for x
    x = 26,317,159,828.28/158,546.90
  6. Step 6: Final answer
    x = 165,989.75

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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.