Home / 126,157.94-189,267.34-47,272.86

Finding the Fourth Proportional to 126,157.94, 189,267.34 and 47,272.86

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Solution

The fourth proportional to 126,157.94, 189,267.34 and 47,272.86 is: 70,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,157.94 : 189,267.34 = 47,272.86 : x
  2. Step 2: Convert to fraction form
    126,157.94/189,267.34 = 47,272.86/x
  3. Step 3: Cross multiply
    126,157.94x = 189,267.34 × 47,272.86
  4. Step 4: Simplify right side
    126,157.94x = 8,947,208,466.39
  5. Step 5: Solve for x
    x = 8,947,208,466.39/126,157.94
  6. Step 6: Final answer
    x = 70,920.69

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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.