Home / 165,959.40-248,939.10-112,815.30

Finding the Fourth Proportional to 165,959.40, 248,939.10 and 112,815.30

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Solution

The fourth proportional to 165,959.40, 248,939.10 and 112,815.30 is: 169,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,959.40 : 248,939.10 = 112,815.30 : x
  2. Step 2: Convert to fraction form
    165,959.40/248,939.10 = 112,815.30/x
  3. Step 3: Cross multiply
    165,959.40x = 248,939.10 × 112,815.30
  4. Step 4: Simplify right side
    165,959.40x = 28,084,139,248.23
  5. Step 5: Solve for x
    x = 28,084,139,248.23/165,959.40
  6. Step 6: Final answer
    x = 169,222.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.