Home / 149,315.20-205,982.38-95,557.12

Finding the Fourth Proportional to 149,315.20, 205,982.38 and 95,557.12

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Solution

The fourth proportional to 149,315.20, 205,982.38 and 95,557.12 is: 131,822.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,315.20 : 205,982.38 = 95,557.12 : x
  2. Step 2: Convert to fraction form
    149,315.20/205,982.38 = 95,557.12/x
  3. Step 3: Cross multiply
    149,315.20x = 205,982.38 × 95,557.12
  4. Step 4: Simplify right side
    149,315.20x = 19,683,083,003.55
  5. Step 5: Solve for x
    x = 19,683,083,003.55/149,315.20
  6. Step 6: Final answer
    x = 131,822.37

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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.