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Finding the Fourth Proportional to 149,368.58, 206,034.46 and 88,894.07

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Solution

The fourth proportional to 149,368.58, 206,034.46 and 88,894.07 is: 122,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,368.58 : 206,034.46 = 88,894.07 : x
  2. Step 2: Convert to fraction form
    149,368.58/206,034.46 = 88,894.07/x
  3. Step 3: Cross multiply
    149,368.58x = 206,034.46 × 88,894.07
  4. Step 4: Simplify right side
    149,368.58x = 18,315,241,709.65
  5. Step 5: Solve for x
    x = 18,315,241,709.65/149,368.58
  6. Step 6: Final answer
    x = 122,617.77

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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.