Home / 165,112.60-247,377.30-102,710.20

Finding the Fourth Proportional to 165,112.60, 247,377.30 and 102,710.20

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Solution

The fourth proportional to 165,112.60, 247,377.30 and 102,710.20 is: 153,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,112.60 : 247,377.30 = 102,710.20 : x
  2. Step 2: Convert to fraction form
    165,112.60/247,377.30 = 102,710.20/x
  3. Step 3: Cross multiply
    165,112.60x = 247,377.30 × 102,710.20
  4. Step 4: Simplify right side
    165,112.60x = 25,408,171,958.46
  5. Step 5: Solve for x
    x = 25,408,171,958.46/165,112.60
  6. Step 6: Final answer
    x = 153,883.91

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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.