Home / 158,964.85-238,529.04-87,874.21

Finding the Fourth Proportional to 158,964.85, 238,529.04 and 87,874.21

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Solution

The fourth proportional to 158,964.85, 238,529.04 and 87,874.21 is: 131,856.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,964.85 : 238,529.04 = 87,874.21 : x
  2. Step 2: Convert to fraction form
    158,964.85/238,529.04 = 87,874.21/x
  3. Step 3: Cross multiply
    158,964.85x = 238,529.04 × 87,874.21
  4. Step 4: Simplify right side
    158,964.85x = 20,960,550,952.06
  5. Step 5: Solve for x
    x = 20,960,550,952.06/158,964.85
  6. Step 6: Final answer
    x = 131,856.51

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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.