Home / 151,832.46-209,512.89-88,157.82

Finding the Fourth Proportional to 151,832.46, 209,512.89 and 88,157.82

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Solution

The fourth proportional to 151,832.46, 209,512.89 and 88,157.82 is: 121,648.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,832.46 : 209,512.89 = 88,157.82 : x
  2. Step 2: Convert to fraction form
    151,832.46/209,512.89 = 88,157.82/x
  3. Step 3: Cross multiply
    151,832.46x = 209,512.89 × 88,157.82
  4. Step 4: Simplify right side
    151,832.46x = 18,470,199,644.30
  5. Step 5: Solve for x
    x = 18,470,199,644.30/151,832.46
  6. Step 6: Final answer
    x = 121,648.56

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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.