Home / 126,288.24-189,471.24-56,187.60

Finding the Fourth Proportional to 126,288.24, 189,471.24 and 56,187.60

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Solution

The fourth proportional to 126,288.24, 189,471.24 and 56,187.60 is: 84,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,288.24 : 189,471.24 = 56,187.60 : x
  2. Step 2: Convert to fraction form
    126,288.24/189,471.24 = 56,187.60/x
  3. Step 3: Cross multiply
    126,288.24x = 189,471.24 × 56,187.60
  4. Step 4: Simplify right side
    126,288.24x = 10,645,934,244.62
  5. Step 5: Solve for x
    x = 10,645,934,244.62/126,288.24
  6. Step 6: Final answer
    x = 84,298.70

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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.