Home / 160,905.69-222,015.33-109,240.65

Finding the Fourth Proportional to 160,905.69, 222,015.33 and 109,240.65

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Solution

The fourth proportional to 160,905.69, 222,015.33 and 109,240.65 is: 150,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,905.69 : 222,015.33 = 109,240.65 : x
  2. Step 2: Convert to fraction form
    160,905.69/222,015.33 = 109,240.65/x
  3. Step 3: Cross multiply
    160,905.69x = 222,015.33 × 109,240.65
  4. Step 4: Simplify right side
    160,905.69x = 24,253,098,959.16
  5. Step 5: Solve for x
    x = 24,253,098,959.16/160,905.69
  6. Step 6: Final answer
    x = 150,728.66

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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.