Home / 165,370.60-248,055.42-45,427.66

Finding the Fourth Proportional to 165,370.60, 248,055.42 and 45,427.66

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Solution

The fourth proportional to 165,370.60, 248,055.42 and 45,427.66 is: 68,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,370.60 : 248,055.42 = 45,427.66 : x
  2. Step 2: Convert to fraction form
    165,370.60/248,055.42 = 45,427.66/x
  3. Step 3: Cross multiply
    165,370.60x = 248,055.42 × 45,427.66
  4. Step 4: Simplify right side
    165,370.60x = 11,268,577,280.92
  5. Step 5: Solve for x
    x = 11,268,577,280.92/165,370.60
  6. Step 6: Final answer
    x = 68,141.36

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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.