Home / 161,067.48-222,276.09-89,454.18

Finding the Fourth Proportional to 161,067.48, 222,276.09 and 89,454.18

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Solution

The fourth proportional to 161,067.48, 222,276.09 and 89,454.18 is: 123,448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,067.48 : 222,276.09 = 89,454.18 : x
  2. Step 2: Convert to fraction form
    161,067.48/222,276.09 = 89,454.18/x
  3. Step 3: Cross multiply
    161,067.48x = 222,276.09 × 89,454.18
  4. Step 4: Simplify right side
    161,067.48x = 19,883,525,364.56
  5. Step 5: Solve for x
    x = 19,883,525,364.56/161,067.48
  6. Step 6: Final answer
    x = 123,448.42

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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.