Home / 189,200.04-261,133.88-108,682.80

Finding the Fourth Proportional to 189,200.04, 261,133.88 and 108,682.80

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Solution

The fourth proportional to 189,200.04, 261,133.88 and 108,682.80 is: 150,003.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,200.04 : 261,133.88 = 108,682.80 : x
  2. Step 2: Convert to fraction form
    189,200.04/261,133.88 = 108,682.80/x
  3. Step 3: Cross multiply
    189,200.04x = 261,133.88 × 108,682.80
  4. Step 4: Simplify right side
    189,200.04x = 28,380,761,253.26
  5. Step 5: Solve for x
    x = 28,380,761,253.26/189,200.04
  6. Step 6: Final answer
    x = 150,003.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.