Home / 113,106.36-169,667.78-38,201.61

Finding the Fourth Proportional to 113,106.36, 169,667.78 and 38,201.61

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Solution

The fourth proportional to 113,106.36, 169,667.78 and 38,201.61 is: 57,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,106.36 : 169,667.78 = 38,201.61 : x
  2. Step 2: Convert to fraction form
    113,106.36/169,667.78 = 38,201.61/x
  3. Step 3: Cross multiply
    113,106.36x = 169,667.78 × 38,201.61
  4. Step 4: Simplify right side
    113,106.36x = 6,481,582,361.13
  5. Step 5: Solve for x
    x = 6,481,582,361.13/113,106.36
  6. Step 6: Final answer
    x = 57,305.20

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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.