Home / 149,187.30-205,952.67-98,232.90

Finding the Fourth Proportional to 149,187.30, 205,952.67 and 98,232.90

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Solution

The fourth proportional to 149,187.30, 205,952.67 and 98,232.90 is: 135,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,187.30 : 205,952.67 = 98,232.90 : x
  2. Step 2: Convert to fraction form
    149,187.30/205,952.67 = 98,232.90/x
  3. Step 3: Cross multiply
    149,187.30x = 205,952.67 × 98,232.90
  4. Step 4: Simplify right side
    149,187.30x = 20,231,328,036.84
  5. Step 5: Solve for x
    x = 20,231,328,036.84/149,187.30
  6. Step 6: Final answer
    x = 135,610.26

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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.