Home / 165,371.60-248,056.92-45,428.66

Finding the Fourth Proportional to 165,371.60, 248,056.92 and 45,428.66

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Solution

The fourth proportional to 165,371.60, 248,056.92 and 45,428.66 is: 68,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,371.60 : 248,056.92 = 45,428.66 : x
  2. Step 2: Convert to fraction form
    165,371.60/248,056.92 = 45,428.66/x
  3. Step 3: Cross multiply
    165,371.60x = 248,056.92 × 45,428.66
  4. Step 4: Simplify right side
    165,371.60x = 11,268,893,479.33
  5. Step 5: Solve for x
    x = 11,268,893,479.33/165,371.60
  6. Step 6: Final answer
    x = 68,142.86

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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.