Home / 131,719.40-196,995.90-110,724.20

Finding the Fourth Proportional to 131,719.40, 196,995.90 and 110,724.20

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Solution

The fourth proportional to 131,719.40, 196,995.90 and 110,724.20 is: 165,596.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,719.40 : 196,995.90 = 110,724.20 : x
  2. Step 2: Convert to fraction form
    131,719.40/196,995.90 = 110,724.20/x
  3. Step 3: Cross multiply
    131,719.40x = 196,995.90 × 110,724.20
  4. Step 4: Simplify right side
    131,719.40x = 21,812,213,430.78
  5. Step 5: Solve for x
    x = 21,812,213,430.78/131,719.40
  6. Step 6: Final answer
    x = 165,596.06

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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.