Home / 126,233.70-189,303.30-54,177.53

Finding the Fourth Proportional to 126,233.70, 189,303.30 and 54,177.53

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Solution

The fourth proportional to 126,233.70, 189,303.30 and 54,177.53 is: 81,246.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,233.70 : 189,303.30 = 54,177.53 : x
  2. Step 2: Convert to fraction form
    126,233.70/189,303.30 = 54,177.53/x
  3. Step 3: Cross multiply
    126,233.70x = 189,303.30 × 54,177.53
  4. Step 4: Simplify right side
    126,233.70x = 10,255,984,268.33
  5. Step 5: Solve for x
    x = 10,255,984,268.33/126,233.70
  6. Step 6: Final answer
    x = 81,246.01

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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.