Home / 149,105.51-205,687.17-88,633.14

Finding the Fourth Proportional to 149,105.51, 205,687.17 and 88,633.14

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Solution

The fourth proportional to 149,105.51, 205,687.17 and 88,633.14 is: 122,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,105.51 : 205,687.17 = 88,633.14 : x
  2. Step 2: Convert to fraction form
    149,105.51/205,687.17 = 88,633.14/x
  3. Step 3: Cross multiply
    149,105.51x = 205,687.17 × 88,633.14
  4. Step 4: Simplify right side
    149,105.51x = 18,230,699,734.81
  5. Step 5: Solve for x
    x = 18,230,699,734.81/149,105.51
  6. Step 6: Final answer
    x = 122,267.11

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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.