Home / 107,424.20-161,087.70-40,842.20

Finding the Fourth Proportional to 107,424.20, 161,087.70 and 40,842.20

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Solution

The fourth proportional to 107,424.20, 161,087.70 and 40,842.20 is: 61,244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,424.20 : 161,087.70 = 40,842.20 : x
  2. Step 2: Convert to fraction form
    107,424.20/161,087.70 = 40,842.20/x
  3. Step 3: Cross multiply
    107,424.20x = 161,087.70 × 40,842.20
  4. Step 4: Simplify right side
    107,424.20x = 6,579,176,060.94
  5. Step 5: Solve for x
    x = 6,579,176,060.94/107,424.20
  6. Step 6: Final answer
    x = 61,244.82

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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.