Home / 109,195.40-163,946.70-67,723.40

Finding the Fourth Proportional to 109,195.40, 163,946.70 and 67,723.40

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Solution

The fourth proportional to 109,195.40, 163,946.70 and 67,723.40 is: 101,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,195.40 : 163,946.70 = 67,723.40 : x
  2. Step 2: Convert to fraction form
    109,195.40/163,946.70 = 67,723.40/x
  3. Step 3: Cross multiply
    109,195.40x = 163,946.70 × 67,723.40
  4. Step 4: Simplify right side
    109,195.40x = 11,103,027,942.78
  5. Step 5: Solve for x
    x = 11,103,027,942.78/109,195.40
  6. Step 6: Final answer
    x = 101,680.36

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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.