Home / 165,114.60-247,380.30-102,712.20

Finding the Fourth Proportional to 165,114.60, 247,380.30 and 102,712.20

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Solution

The fourth proportional to 165,114.60, 247,380.30 and 102,712.20 is: 153,886.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,114.60 : 247,380.30 = 102,712.20 : x
  2. Step 2: Convert to fraction form
    165,114.60/247,380.30 = 102,712.20/x
  3. Step 3: Cross multiply
    165,114.60x = 247,380.30 × 102,712.20
  4. Step 4: Simplify right side
    165,114.60x = 25,408,974,849.66
  5. Step 5: Solve for x
    x = 25,408,974,849.66/165,114.60
  6. Step 6: Final answer
    x = 153,886.91

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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.