Home / 160,976.31-222,102.29-100,608.28

Finding the Fourth Proportional to 160,976.31, 222,102.29 and 100,608.28

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Solution

The fourth proportional to 160,976.31, 222,102.29 and 100,608.28 is: 138,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,976.31 : 222,102.29 = 100,608.28 : x
  2. Step 2: Convert to fraction form
    160,976.31/222,102.29 = 100,608.28/x
  3. Step 3: Cross multiply
    160,976.31x = 222,102.29 × 100,608.28
  4. Step 4: Simplify right side
    160,976.31x = 22,345,329,077.23
  5. Step 5: Solve for x
    x = 22,345,329,077.23/160,976.31
  6. Step 6: Final answer
    x = 138,811.29

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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.