Home / 159,941.12-220,717.56-88,326

Finding the Fourth Proportional to 159,941.12, 220,717.56 and 88,326

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Solution

The fourth proportional to 159,941.12, 220,717.56 and 88,326 is: 121,889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,941.12 : 220,717.56 = 88,326 : x
  2. Step 2: Convert to fraction form
    159,941.12/220,717.56 = 88,326/x
  3. Step 3: Cross multiply
    159,941.12x = 220,717.56 × 88,326
  4. Step 4: Simplify right side
    159,941.12x = 19,495,099,204.56
  5. Step 5: Solve for x
    x = 19,495,099,204.56/159,941.12
  6. Step 6: Final answer
    x = 121,889.23

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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.