Home / 159,929.22-220,702.32-88,309.38

Finding the Fourth Proportional to 159,929.22, 220,702.32 and 88,309.38

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Solution

The fourth proportional to 159,929.22, 220,702.32 and 88,309.38 is: 121,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,929.22 : 220,702.32 = 88,309.38 : x
  2. Step 2: Convert to fraction form
    159,929.22/220,702.32 = 88,309.38/x
  3. Step 3: Cross multiply
    159,929.22x = 220,702.32 × 88,309.38
  4. Step 4: Simplify right side
    159,929.22x = 19,490,085,043.76
  5. Step 5: Solve for x
    x = 19,490,085,043.76/159,929.22
  6. Step 6: Final answer
    x = 121,866.94

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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.