Home / 109,142.20-163,713.30-35,270.20

Finding the Fourth Proportional to 109,142.20, 163,713.30 and 35,270.20

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Solution

The fourth proportional to 109,142.20, 163,713.30 and 35,270.20 is: 52,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,142.20 : 163,713.30 = 35,270.20 : x
  2. Step 2: Convert to fraction form
    109,142.20/163,713.30 = 35,270.20/x
  3. Step 3: Cross multiply
    109,142.20x = 163,713.30 × 35,270.20
  4. Step 4: Simplify right side
    109,142.20x = 5,774,200,833.66
  5. Step 5: Solve for x
    x = 5,774,200,833.66/109,142.20
  6. Step 6: Final answer
    x = 52,905.30

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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.