Home / 67,194.28-100,762.30-20,436.36

Finding the Fourth Proportional to 67,194.28, 100,762.30 and 20,436.36

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Solution

The fourth proportional to 67,194.28, 100,762.30 and 20,436.36 is: 30,645.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,194.28 : 100,762.30 = 20,436.36 : x
  2. Step 2: Convert to fraction form
    67,194.28/100,762.30 = 20,436.36/x
  3. Step 3: Cross multiply
    67,194.28x = 100,762.30 × 20,436.36
  4. Step 4: Simplify right side
    67,194.28x = 2,059,214,637.23
  5. Step 5: Solve for x
    x = 2,059,214,637.23/67,194.28
  6. Step 6: Final answer
    x = 30,645.68

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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.