Home / 149,381.28-206,247.44-104,591.52

Finding the Fourth Proportional to 149,381.28, 206,247.44 and 104,591.52

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Solution

The fourth proportional to 149,381.28, 206,247.44 and 104,591.52 is: 144,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,381.28 : 206,247.44 = 104,591.52 : x
  2. Step 2: Convert to fraction form
    149,381.28/206,247.44 = 104,591.52/x
  3. Step 3: Cross multiply
    149,381.28x = 206,247.44 × 104,591.52
  4. Step 4: Simplify right side
    149,381.28x = 21,571,733,245.71
  5. Step 5: Solve for x
    x = 21,571,733,245.71/149,381.28
  6. Step 6: Final answer
    x = 144,407.21

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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.