Home / 126,285.31-189,463.50-55,214.19

Finding the Fourth Proportional to 126,285.31, 189,463.50 and 55,214.19

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Solution

The fourth proportional to 126,285.31, 189,463.50 and 55,214.19 is: 82,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,285.31 : 189,463.50 = 55,214.19 : x
  2. Step 2: Convert to fraction form
    126,285.31/189,463.50 = 55,214.19/x
  3. Step 3: Cross multiply
    126,285.31x = 189,463.50 × 55,214.19
  4. Step 4: Simplify right side
    126,285.31x = 10,461,073,687.07
  5. Step 5: Solve for x
    x = 10,461,073,687.07/126,285.31
  6. Step 6: Final answer
    x = 82,836.82

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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.