Home / 126,235.20-189,425.70-47,357.40

Finding the Fourth Proportional to 126,235.20, 189,425.70 and 47,357.40

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Solution

The fourth proportional to 126,235.20, 189,425.70 and 47,357.40 is: 71,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,235.20 : 189,425.70 = 47,357.40 : x
  2. Step 2: Convert to fraction form
    126,235.20/189,425.70 = 47,357.40/x
  3. Step 3: Cross multiply
    126,235.20x = 189,425.70 × 47,357.40
  4. Step 4: Simplify right side
    126,235.20x = 8,970,708,645.18
  5. Step 5: Solve for x
    x = 8,970,708,645.18/126,235.20
  6. Step 6: Final answer
    x = 71,063.45

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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.