Home / 165,023.40-247,535.10-105,974.40

Finding the Fourth Proportional to 165,023.40, 247,535.10 and 105,974.40

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Solution

The fourth proportional to 165,023.40, 247,535.10 and 105,974.40 is: 158,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,023.40 : 247,535.10 = 105,974.40 : x
  2. Step 2: Convert to fraction form
    165,023.40/247,535.10 = 105,974.40/x
  3. Step 3: Cross multiply
    165,023.40x = 247,535.10 × 105,974.40
  4. Step 4: Simplify right side
    165,023.40x = 26,232,383,701.44
  5. Step 5: Solve for x
    x = 26,232,383,701.44/165,023.40
  6. Step 6: Final answer
    x = 158,961.60

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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.