Home / 109,724.30-164,586.45-74,473.10

Finding the Fourth Proportional to 109,724.30, 164,586.45 and 74,473.10

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Solution

The fourth proportional to 109,724.30, 164,586.45 and 74,473.10 is: 111,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,724.30 : 164,586.45 = 74,473.10 : x
  2. Step 2: Convert to fraction form
    109,724.30/164,586.45 = 74,473.10/x
  3. Step 3: Cross multiply
    109,724.30x = 164,586.45 × 74,473.10
  4. Step 4: Simplify right side
    109,724.30x = 12,257,263,149.50
  5. Step 5: Solve for x
    x = 12,257,263,149.50/109,724.30
  6. Step 6: Final answer
    x = 111,709.65

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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.