Home / 126,215.86-189,268.56-47,274.76

Finding the Fourth Proportional to 126,215.86, 189,268.56 and 47,274.76

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Solution

The fourth proportional to 126,215.86, 189,268.56 and 47,274.76 is: 70,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,215.86 : 189,268.56 = 47,274.76 : x
  2. Step 2: Convert to fraction form
    126,215.86/189,268.56 = 47,274.76/x
  3. Step 3: Cross multiply
    126,215.86x = 189,268.56 × 47,274.76
  4. Step 4: Simplify right side
    126,215.86x = 8,947,625,749.55
  5. Step 5: Solve for x
    x = 8,947,625,749.55/126,215.86
  6. Step 6: Final answer
    x = 70,891.45

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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.