Home / 126,236.34-189,341.55-67,009.14

Finding the Fourth Proportional to 126,236.34, 189,341.55 and 67,009.14

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Solution

The fourth proportional to 126,236.34, 189,341.55 and 67,009.14 is: 100,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,236.34 : 189,341.55 = 67,009.14 : x
  2. Step 2: Convert to fraction form
    126,236.34/189,341.55 = 67,009.14/x
  3. Step 3: Cross multiply
    126,236.34x = 189,341.55 × 67,009.14
  4. Step 4: Simplify right side
    126,236.34x = 12,687,614,431.77
  5. Step 5: Solve for x
    x = 12,687,614,431.77/126,236.34
  6. Step 6: Final answer
    x = 100,506.83

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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.