Home / 126,085.92-189,102.69-37,318.61

Finding the Fourth Proportional to 126,085.92, 189,102.69 and 37,318.61

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Solution

The fourth proportional to 126,085.92, 189,102.69 and 37,318.61 is: 55,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,085.92 : 189,102.69 = 37,318.61 : x
  2. Step 2: Convert to fraction form
    126,085.92/189,102.69 = 37,318.61/x
  3. Step 3: Cross multiply
    126,085.92x = 189,102.69 × 37,318.61
  4. Step 4: Simplify right side
    126,085.92x = 7,057,049,538.06
  5. Step 5: Solve for x
    x = 7,057,049,538.06/126,085.92
  6. Step 6: Final answer
    x = 55,970.16

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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.