Home / 131,721.40-196,998.90-110,726.20

Finding the Fourth Proportional to 131,721.40, 196,998.90 and 110,726.20

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Solution

The fourth proportional to 131,721.40, 196,998.90 and 110,726.20 is: 165,599.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,721.40 : 196,998.90 = 110,726.20 : x
  2. Step 2: Convert to fraction form
    131,721.40/196,998.90 = 110,726.20/x
  3. Step 3: Cross multiply
    131,721.40x = 196,998.90 × 110,726.20
  4. Step 4: Simplify right side
    131,721.40x = 21,812,939,601.18
  5. Step 5: Solve for x
    x = 21,812,939,601.18/131,721.40
  6. Step 6: Final answer
    x = 165,599.06

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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.