Home / 165,680.28-248,146.56-76,746.96

Finding the Fourth Proportional to 165,680.28, 248,146.56 and 76,746.96

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Solution

The fourth proportional to 165,680.28, 248,146.56 and 76,746.96 is: 114,947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,680.28 : 248,146.56 = 76,746.96 : x
  2. Step 2: Convert to fraction form
    165,680.28/248,146.56 = 76,746.96/x
  3. Step 3: Cross multiply
    165,680.28x = 248,146.56 × 76,746.96
  4. Step 4: Simplify right side
    165,680.28x = 19,044,494,114.46
  5. Step 5: Solve for x
    x = 19,044,494,114.46/165,680.28
  6. Step 6: Final answer
    x = 114,947.26

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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.