Home / 165,150.60-247,434.30-102,748.20

Finding the Fourth Proportional to 165,150.60, 247,434.30 and 102,748.20

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Solution

The fourth proportional to 165,150.60, 247,434.30 and 102,748.20 is: 153,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,150.60 : 247,434.30 = 102,748.20 : x
  2. Step 2: Convert to fraction form
    165,150.60/247,434.30 = 102,748.20/x
  3. Step 3: Cross multiply
    165,150.60x = 247,434.30 × 102,748.20
  4. Step 4: Simplify right side
    165,150.60x = 25,423,428,943.26
  5. Step 5: Solve for x
    x = 25,423,428,943.26/165,150.60
  6. Step 6: Final answer
    x = 153,940.88

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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.