Home / 126,632.20-189,948.30-74,014.60

Finding the Fourth Proportional to 126,632.20, 189,948.30 and 74,014.60

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Solution

The fourth proportional to 126,632.20, 189,948.30 and 74,014.60 is: 111,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,632.20 : 189,948.30 = 74,014.60 : x
  2. Step 2: Convert to fraction form
    126,632.20/189,948.30 = 74,014.60/x
  3. Step 3: Cross multiply
    126,632.20x = 189,948.30 × 74,014.60
  4. Step 4: Simplify right side
    126,632.20x = 14,058,947,445.18
  5. Step 5: Solve for x
    x = 14,058,947,445.18/126,632.20
  6. Step 6: Final answer
    x = 111,021.90

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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.