Home / 107,685.27-161,364.20-51,447.92

Finding the Fourth Proportional to 107,685.27, 161,364.20 and 51,447.92

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Solution

The fourth proportional to 107,685.27, 161,364.20 and 51,447.92 is: 77,093.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,685.27 : 161,364.20 = 51,447.92 : x
  2. Step 2: Convert to fraction form
    107,685.27/161,364.20 = 51,447.92/x
  3. Step 3: Cross multiply
    107,685.27x = 161,364.20 × 51,447.92
  4. Step 4: Simplify right side
    107,685.27x = 8,301,851,388.40
  5. Step 5: Solve for x
    x = 8,301,851,388.40/107,685.27
  6. Step 6: Final answer
    x = 77,093.66

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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.