Home / 126,250.80-189,376.20-47,367.60

Finding the Fourth Proportional to 126,250.80, 189,376.20 and 47,367.60

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Solution

The fourth proportional to 126,250.80, 189,376.20 and 47,367.60 is: 71,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,250.80 : 189,376.20 = 47,367.60 : x
  2. Step 2: Convert to fraction form
    126,250.80/189,376.20 = 47,367.60/x
  3. Step 3: Cross multiply
    126,250.80x = 189,376.20 × 47,367.60
  4. Step 4: Simplify right side
    126,250.80x = 8,970,296,091.12
  5. Step 5: Solve for x
    x = 8,970,296,091.12/126,250.80
  6. Step 6: Final answer
    x = 71,051.40

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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.