Home / 165,746.90-248,620.35-102,761.30

Finding the Fourth Proportional to 165,746.90, 248,620.35 and 102,761.30

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Solution

The fourth proportional to 165,746.90, 248,620.35 and 102,761.30 is: 154,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,746.90 : 248,620.35 = 102,761.30 : x
  2. Step 2: Convert to fraction form
    165,746.90/248,620.35 = 102,761.30/x
  3. Step 3: Cross multiply
    165,746.90x = 248,620.35 × 102,761.30
  4. Step 4: Simplify right side
    165,746.90x = 25,548,550,372.46
  5. Step 5: Solve for x
    x = 25,548,550,372.46/165,746.90
  6. Step 6: Final answer
    x = 154,141.95

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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.