Home / 159,863.30-220,611.39-88,243.36

Finding the Fourth Proportional to 159,863.30, 220,611.39 and 88,243.36

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Solution

The fourth proportional to 159,863.30, 220,611.39 and 88,243.36 is: 121,775.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,863.30 : 220,611.39 = 88,243.36 : x
  2. Step 2: Convert to fraction form
    159,863.30/220,611.39 = 88,243.36/x
  3. Step 3: Cross multiply
    159,863.30x = 220,611.39 × 88,243.36
  4. Step 4: Simplify right side
    159,863.30x = 19,467,490,307.87
  5. Step 5: Solve for x
    x = 19,467,490,307.87/159,863.30
  6. Step 6: Final answer
    x = 121,775.86

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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.