Home / 149,440.14-206,185.50-88,996.32

Finding the Fourth Proportional to 149,440.14, 206,185.50 and 88,996.32

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Solution

The fourth proportional to 149,440.14, 206,185.50 and 88,996.32 is: 122,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,440.14 : 206,185.50 = 88,996.32 : x
  2. Step 2: Convert to fraction form
    149,440.14/206,185.50 = 88,996.32/x
  3. Step 3: Cross multiply
    149,440.14x = 206,185.50 × 88,996.32
  4. Step 4: Simplify right side
    149,440.14x = 18,349,750,737.36
  5. Step 5: Solve for x
    x = 18,349,750,737.36/149,440.14
  6. Step 6: Final answer
    x = 122,789.97

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1.5x scale

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.