Home / 107,865.12-161,693.16-41,253.96

Finding the Fourth Proportional to 107,865.12, 161,693.16 and 41,253.96

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Solution

The fourth proportional to 107,865.12, 161,693.16 and 41,253.96 is: 61,840.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,865.12 : 161,693.16 = 41,253.96 : x
  2. Step 2: Convert to fraction form
    107,865.12/161,693.16 = 41,253.96/x
  3. Step 3: Cross multiply
    107,865.12x = 161,693.16 × 41,253.96
  4. Step 4: Simplify right side
    107,865.12x = 6,670,483,154.91
  5. Step 5: Solve for x
    x = 6,670,483,154.91/107,865.12
  6. Step 6: Final answer
    x = 61,840.97

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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.