Home / 159,887.18-220,638.52-88,265.66

Finding the Fourth Proportional to 159,887.18, 220,638.52 and 88,265.66

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Solution

The fourth proportional to 159,887.18, 220,638.52 and 88,265.66 is: 121,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,887.18 : 220,638.52 = 88,265.66 : x
  2. Step 2: Convert to fraction form
    159,887.18/220,638.52 = 88,265.66/x
  3. Step 3: Cross multiply
    159,887.18x = 220,638.52 × 88,265.66
  4. Step 4: Simplify right side
    159,887.18x = 19,474,803,265.37
  5. Step 5: Solve for x
    x = 19,474,803,265.37/159,887.18
  6. Step 6: Final answer
    x = 121,803.41

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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.