Home / 126,030.18-189,132.58-50,120.94

Finding the Fourth Proportional to 126,030.18, 189,132.58 and 50,120.94

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Solution

The fourth proportional to 126,030.18, 189,132.58 and 50,120.94 is: 75,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,030.18 : 189,132.58 = 50,120.94 : x
  2. Step 2: Convert to fraction form
    126,030.18/189,132.58 = 50,120.94/x
  3. Step 3: Cross multiply
    126,030.18x = 189,132.58 × 50,120.94
  4. Step 4: Simplify right side
    126,030.18x = 9,479,502,568.92
  5. Step 5: Solve for x
    x = 9,479,502,568.92/126,030.18
  6. Step 6: Final answer
    x = 75,216.13

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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.