Home / 109,724.60-164,586.90-108,558.20

Finding the Fourth Proportional to 109,724.60, 164,586.90 and 108,558.20

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Solution

The fourth proportional to 109,724.60, 164,586.90 and 108,558.20 is: 162,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,724.60 : 164,586.90 = 108,558.20 : x
  2. Step 2: Convert to fraction form
    109,724.60/164,586.90 = 108,558.20/x
  3. Step 3: Cross multiply
    109,724.60x = 164,586.90 × 108,558.20
  4. Step 4: Simplify right side
    109,724.60x = 17,867,257,607.58
  5. Step 5: Solve for x
    x = 17,867,257,607.58/109,724.60
  6. Step 6: Final answer
    x = 162,837.30

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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.