Home / 149,349.15-206,085.20-88,911.27

Finding the Fourth Proportional to 149,349.15, 206,085.20 and 88,911.27

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Solution

The fourth proportional to 149,349.15, 206,085.20 and 88,911.27 is: 122,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,349.15 : 206,085.20 = 88,911.27 : x
  2. Step 2: Convert to fraction form
    149,349.15/206,085.20 = 88,911.27/x
  3. Step 3: Cross multiply
    149,349.15x = 206,085.20 × 88,911.27
  4. Step 4: Simplify right side
    149,349.15x = 18,323,296,415.65
  5. Step 5: Solve for x
    x = 18,323,296,415.65/149,349.15
  6. Step 6: Final answer
    x = 122,687.65

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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.