Home / 149,368.52-206,063.79-88,905.26

Finding the Fourth Proportional to 149,368.52, 206,063.79 and 88,905.26

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Solution

The fourth proportional to 149,368.52, 206,063.79 and 88,905.26 is: 122,650.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,368.52 : 206,063.79 = 88,905.26 : x
  2. Step 2: Convert to fraction form
    149,368.52/206,063.79 = 88,905.26/x
  3. Step 3: Cross multiply
    149,368.52x = 206,063.79 × 88,905.26
  4. Step 4: Simplify right side
    149,368.52x = 18,320,154,826.54
  5. Step 5: Solve for x
    x = 18,320,154,826.54/149,368.52
  6. Step 6: Final answer
    x = 122,650.71

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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.