Home / 126,008.20-189,012.30-118,232.20

Finding the Fourth Proportional to 126,008.20, 189,012.30 and 118,232.20

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Solution

The fourth proportional to 126,008.20, 189,012.30 and 118,232.20 is: 177,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,008.20 : 189,012.30 = 118,232.20 : x
  2. Step 2: Convert to fraction form
    126,008.20/189,012.30 = 118,232.20/x
  3. Step 3: Cross multiply
    126,008.20x = 189,012.30 × 118,232.20
  4. Step 4: Simplify right side
    126,008.20x = 22,347,340,056.06
  5. Step 5: Solve for x
    x = 22,347,340,056.06/126,008.20
  6. Step 6: Final answer
    x = 177,348.30

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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.