Home / 165,210.47-247,815.89-45,268.44

Finding the Fourth Proportional to 165,210.47, 247,815.89 and 45,268.44

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Solution

The fourth proportional to 165,210.47, 247,815.89 and 45,268.44 is: 67,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,210.47 : 247,815.89 = 45,268.44 : x
  2. Step 2: Convert to fraction form
    165,210.47/247,815.89 = 45,268.44/x
  3. Step 3: Cross multiply
    165,210.47x = 247,815.89 × 45,268.44
  4. Step 4: Simplify right side
    165,210.47x = 11,218,237,761.62
  5. Step 5: Solve for x
    x = 11,218,237,761.62/165,210.47
  6. Step 6: Final answer
    x = 67,902.71

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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.