Home / 161,431.74-222,542.52-106,892.64

Finding the Fourth Proportional to 161,431.74, 222,542.52 and 106,892.64

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Solution

The fourth proportional to 161,431.74, 222,542.52 and 106,892.64 is: 147,357.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,431.74 : 222,542.52 = 106,892.64 : x
  2. Step 2: Convert to fraction form
    161,431.74/222,542.52 = 106,892.64/x
  3. Step 3: Cross multiply
    161,431.74x = 222,542.52 × 106,892.64
  4. Step 4: Simplify right side
    161,431.74x = 23,788,157,475.05
  5. Step 5: Solve for x
    x = 23,788,157,475.05/161,431.74
  6. Step 6: Final answer
    x = 147,357.38

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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.