Home / 107,935.40-161,826.30-41,349.80

Finding the Fourth Proportional to 107,935.40, 161,826.30 and 41,349.80

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Solution

The fourth proportional to 107,935.40, 161,826.30 and 41,349.80 is: 61,995.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,935.40 : 161,826.30 = 41,349.80 : x
  2. Step 2: Convert to fraction form
    107,935.40/161,826.30 = 41,349.80/x
  3. Step 3: Cross multiply
    107,935.40x = 161,826.30 × 41,349.80
  4. Step 4: Simplify right side
    107,935.40x = 6,691,485,139.74
  5. Step 5: Solve for x
    x = 6,691,485,139.74/107,935.40
  6. Step 6: Final answer
    x = 61,995.28

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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.