Home / 109,104.46-163,638.09-30,200.20

Finding the Fourth Proportional to 109,104.46, 163,638.09 and 30,200.20

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Solution

The fourth proportional to 109,104.46, 163,638.09 and 30,200.20 is: 45,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,104.46 : 163,638.09 = 30,200.20 : x
  2. Step 2: Convert to fraction form
    109,104.46/163,638.09 = 30,200.20/x
  3. Step 3: Cross multiply
    109,104.46x = 163,638.09 × 30,200.20
  4. Step 4: Simplify right side
    109,104.46x = 4,941,903,045.62
  5. Step 5: Solve for x
    x = 4,941,903,045.62/109,104.46
  6. Step 6: Final answer
    x = 45,295.15

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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.