Home / 86,781.25-130,122.06-34,162.03

Finding the Fourth Proportional to 86,781.25, 130,122.06 and 34,162.03

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Solution

The fourth proportional to 86,781.25, 130,122.06 and 34,162.03 is: 51,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,781.25 : 130,122.06 = 34,162.03 : x
  2. Step 2: Convert to fraction form
    86,781.25/130,122.06 = 34,162.03/x
  3. Step 3: Cross multiply
    86,781.25x = 130,122.06 × 34,162.03
  4. Step 4: Simplify right side
    86,781.25x = 4,445,233,717.38
  5. Step 5: Solve for x
    x = 4,445,233,717.38/86,781.25
  6. Step 6: Final answer
    x = 51,223.43

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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.