Home / 86,902.56-130,353.84-40,149.36

Finding the Fourth Proportional to 86,902.56, 130,353.84 and 40,149.36

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Solution

The fourth proportional to 86,902.56, 130,353.84 and 40,149.36 is: 60,224.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,902.56 : 130,353.84 = 40,149.36 : x
  2. Step 2: Convert to fraction form
    86,902.56/130,353.84 = 40,149.36/x
  3. Step 3: Cross multiply
    86,902.56x = 130,353.84 × 40,149.36
  4. Step 4: Simplify right side
    86,902.56x = 5,233,623,249.54
  5. Step 5: Solve for x
    x = 5,233,623,249.54/86,902.56
  6. Step 6: Final answer
    x = 60,224.04

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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.