Home / 161,531.80-222,912.24-88,932.40

Finding the Fourth Proportional to 161,531.80, 222,912.24 and 88,932.40

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Solution

The fourth proportional to 161,531.80, 222,912.24 and 88,932.40 is: 122,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,531.80 : 222,912.24 = 88,932.40 : x
  2. Step 2: Convert to fraction form
    161,531.80/222,912.24 = 88,932.40/x
  3. Step 3: Cross multiply
    161,531.80x = 222,912.24 × 88,932.40
  4. Step 4: Simplify right side
    161,531.80x = 19,824,120,492.58
  5. Step 5: Solve for x
    x = 19,824,120,492.58/161,531.80
  6. Step 6: Final answer
    x = 122,725.81

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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.