Home / 86,903.31-130,354.97-40,150.11

Finding the Fourth Proportional to 86,903.31, 130,354.97 and 40,150.11

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Solution

The fourth proportional to 86,903.31, 130,354.97 and 40,150.11 is: 60,225.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,903.31 : 130,354.97 = 40,150.11 : x
  2. Step 2: Convert to fraction form
    86,903.31/130,354.97 = 40,150.11/x
  3. Step 3: Cross multiply
    86,903.31x = 130,354.97 × 40,150.11
  4. Step 4: Simplify right side
    86,903.31x = 5,233,766,183.80
  5. Step 5: Solve for x
    x = 5,233,766,183.80/86,903.31
  6. Step 6: Final answer
    x = 60,225.17

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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.