Home / 159,736.72-220,427.76-88,102.48

Finding the Fourth Proportional to 159,736.72, 220,427.76 and 88,102.48

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Solution

The fourth proportional to 159,736.72, 220,427.76 and 88,102.48 is: 121,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,736.72 : 220,427.76 = 88,102.48 : x
  2. Step 2: Convert to fraction form
    159,736.72/220,427.76 = 88,102.48/x
  3. Step 3: Cross multiply
    159,736.72x = 220,427.76 × 88,102.48
  4. Step 4: Simplify right side
    159,736.72x = 19,420,232,316.84
  5. Step 5: Solve for x
    x = 19,420,232,316.84/159,736.72
  6. Step 6: Final answer
    x = 121,576.51

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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.