Home / 126,228.56-189,398.76-67,050.08

Finding the Fourth Proportional to 126,228.56, 189,398.76 and 67,050.08

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Solution

The fourth proportional to 126,228.56, 189,398.76 and 67,050.08 is: 100,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,228.56 : 189,398.76 = 67,050.08 : x
  2. Step 2: Convert to fraction form
    126,228.56/189,398.76 = 67,050.08/x
  3. Step 3: Cross multiply
    126,228.56x = 189,398.76 × 67,050.08
  4. Step 4: Simplify right side
    126,228.56x = 12,699,202,009.90
  5. Step 5: Solve for x
    x = 12,699,202,009.90/126,228.56
  6. Step 6: Final answer
    x = 100,604.82

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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.