Home / 155,680.56-214,764.60-149,645.04

Finding the Fourth Proportional to 155,680.56, 214,764.60 and 149,645.04

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Solution

The fourth proportional to 155,680.56, 214,764.60 and 149,645.04 is: 206,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,680.56 : 214,764.60 = 149,645.04 : x
  2. Step 2: Convert to fraction form
    155,680.56/214,764.60 = 149,645.04/x
  3. Step 3: Cross multiply
    155,680.56x = 214,764.60 × 149,645.04
  4. Step 4: Simplify right side
    155,680.56x = 32,138,457,157.58
  5. Step 5: Solve for x
    x = 32,138,457,157.58/155,680.56
  6. Step 6: Final answer
    x = 206,438.47

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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.