Home / 161,065.78-222,273.45-88,475.38

Finding the Fourth Proportional to 161,065.78, 222,273.45 and 88,475.38

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Solution

The fourth proportional to 161,065.78, 222,273.45 and 88,475.38 is: 122,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,065.78 : 222,273.45 = 88,475.38 : x
  2. Step 2: Convert to fraction form
    161,065.78/222,273.45 = 88,475.38/x
  3. Step 3: Cross multiply
    161,065.78x = 222,273.45 × 88,475.38
  4. Step 4: Simplify right side
    161,065.78x = 19,665,727,396.98
  5. Step 5: Solve for x
    x = 19,665,727,396.98/161,065.78
  6. Step 6: Final answer
    x = 122,097.49

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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.