Home / 289,976.75-400,167.09-160,934.72

Finding the Fourth Proportional to 289,976.75, 400,167.09 and 160,934.72

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Solution

The fourth proportional to 289,976.75, 400,167.09 and 160,934.72 is: 222,089.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,976.75 : 400,167.09 = 160,934.72 : x
  2. Step 2: Convert to fraction form
    289,976.75/400,167.09 = 160,934.72/x
  3. Step 3: Cross multiply
    289,976.75x = 400,167.09 × 160,934.72
  4. Step 4: Simplify right side
    289,976.75x = 64,400,778,582.36
  5. Step 5: Solve for x
    x = 64,400,778,582.36/289,976.75
  6. Step 6: Final answer
    x = 222,089.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.