Home / 126,614.08-189,724-113,394.24

Finding the Fourth Proportional to 126,614.08, 189,724 and 113,394.24

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Solution

The fourth proportional to 126,614.08, 189,724 and 113,394.24 is: 169,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,614.08 : 189,724 = 113,394.24 : x
  2. Step 2: Convert to fraction form
    126,614.08/189,724 = 113,394.24/x
  3. Step 3: Cross multiply
    126,614.08x = 189,724 × 113,394.24
  4. Step 4: Simplify right side
    126,614.08x = 21,513,608,789.76
  5. Step 5: Solve for x
    x = 21,513,608,789.76/126,614.08
  6. Step 6: Final answer
    x = 169,914.82

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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.