Home / 165,747.10-248,815.05-164,580.70

Finding the Fourth Proportional to 165,747.10, 248,815.05 and 164,580.70

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Solution

The fourth proportional to 165,747.10, 248,815.05 and 164,580.70 is: 247,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,747.10 : 248,815.05 = 164,580.70 : x
  2. Step 2: Convert to fraction form
    165,747.10/248,815.05 = 164,580.70/x
  3. Step 3: Cross multiply
    165,747.10x = 248,815.05 × 164,580.70
  4. Step 4: Simplify right side
    165,747.10x = 40,950,155,099.54
  5. Step 5: Solve for x
    x = 40,950,155,099.54/165,747.10
  6. Step 6: Final answer
    x = 247,064.08

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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.