Home / 110,724.60-165,916.80-82,512.30

Finding the Fourth Proportional to 110,724.60, 165,916.80 and 82,512.30

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Solution

The fourth proportional to 110,724.60, 165,916.80 and 82,512.30 is: 123,641.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,724.60 : 165,916.80 = 82,512.30 : x
  2. Step 2: Convert to fraction form
    110,724.60/165,916.80 = 82,512.30/x
  3. Step 3: Cross multiply
    110,724.60x = 165,916.80 × 82,512.30
  4. Step 4: Simplify right side
    110,724.60x = 13,690,176,776.64
  5. Step 5: Solve for x
    x = 13,690,176,776.64/110,724.60
  6. Step 6: Final answer
    x = 123,641.69

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1.5x scale

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.