Home / 126,171.20-189,288.63-41,931.81

Finding the Fourth Proportional to 126,171.20, 189,288.63 and 41,931.81

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Solution

The fourth proportional to 126,171.20, 189,288.63 and 41,931.81 is: 62,908.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,171.20 : 189,288.63 = 41,931.81 : x
  2. Step 2: Convert to fraction form
    126,171.20/189,288.63 = 41,931.81/x
  3. Step 3: Cross multiply
    126,171.20x = 189,288.63 × 41,931.81
  4. Step 4: Simplify right side
    126,171.20x = 7,937,214,868.32
  5. Step 5: Solve for x
    x = 7,937,214,868.32/126,171.20
  6. Step 6: Final answer
    x = 62,908.29

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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.