Home / 109,489.10-164,219.52-34,616.86

Finding the Fourth Proportional to 109,489.10, 164,219.52 and 34,616.86

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Solution

The fourth proportional to 109,489.10, 164,219.52 and 34,616.86 is: 51,920.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,489.10 : 164,219.52 = 34,616.86 : x
  2. Step 2: Convert to fraction form
    109,489.10/164,219.52 = 34,616.86/x
  3. Step 3: Cross multiply
    109,489.10x = 164,219.52 × 34,616.86
  4. Step 4: Simplify right side
    109,489.10x = 5,684,764,133.11
  5. Step 5: Solve for x
    x = 5,684,764,133.11/109,489.10
  6. Step 6: Final answer
    x = 51,920.82

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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.