Home / 158,956.90-238,218.27-80,124.46

Finding the Fourth Proportional to 158,956.90, 238,218.27 and 80,124.46

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Solution

The fourth proportional to 158,956.90, 238,218.27 and 80,124.46 is: 120,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,956.90 : 238,218.27 = 80,124.46 : x
  2. Step 2: Convert to fraction form
    158,956.90/238,218.27 = 80,124.46/x
  3. Step 3: Cross multiply
    158,956.90x = 238,218.27 × 80,124.46
  4. Step 4: Simplify right side
    158,956.90x = 19,087,110,245.88
  5. Step 5: Solve for x
    x = 19,087,110,245.88/158,956.90
  6. Step 6: Final answer
    x = 120,077.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.