Home / 160,997.74-222,177.66-100,603.46

Finding the Fourth Proportional to 160,997.74, 222,177.66 and 100,603.46

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Solution

The fourth proportional to 160,997.74, 222,177.66 and 100,603.46 is: 138,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,997.74 : 222,177.66 = 100,603.46 : x
  2. Step 2: Convert to fraction form
    160,997.74/222,177.66 = 100,603.46/x
  3. Step 3: Cross multiply
    160,997.74x = 222,177.66 × 100,603.46
  4. Step 4: Simplify right side
    160,997.74x = 22,351,841,330.70
  5. Step 5: Solve for x
    x = 22,351,841,330.70/160,997.74
  6. Step 6: Final answer
    x = 138,833.26

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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.