Home / 114,219.62-157,637.76-68,922.05

Finding the Fourth Proportional to 114,219.62, 157,637.76 and 68,922.05

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Solution

The fourth proportional to 114,219.62, 157,637.76 and 68,922.05 is: 95,121.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,219.62 : 157,637.76 = 68,922.05 : x
  2. Step 2: Convert to fraction form
    114,219.62/157,637.76 = 68,922.05/x
  3. Step 3: Cross multiply
    114,219.62x = 157,637.76 × 68,922.05
  4. Step 4: Simplify right side
    114,219.62x = 10,864,717,576.61
  5. Step 5: Solve for x
    x = 10,864,717,576.61/114,219.62
  6. Step 6: Final answer
    x = 95,121.29

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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.