Home / 165,919.70-248,879.55-156,934.10

Finding the Fourth Proportional to 165,919.70, 248,879.55 and 156,934.10

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Solution

The fourth proportional to 165,919.70, 248,879.55 and 156,934.10 is: 235,401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,919.70 : 248,879.55 = 156,934.10 : x
  2. Step 2: Convert to fraction form
    165,919.70/248,879.55 = 156,934.10/x
  3. Step 3: Cross multiply
    165,919.70x = 248,879.55 × 156,934.10
  4. Step 4: Simplify right side
    165,919.70x = 39,057,688,187.66
  5. Step 5: Solve for x
    x = 39,057,688,187.66/165,919.70
  6. Step 6: Final answer
    x = 235,401.15

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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.