Home / 160,968.80-222,139.56-88,378.39

Finding the Fourth Proportional to 160,968.80, 222,139.56 and 88,378.39

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Solution

The fourth proportional to 160,968.80, 222,139.56 and 88,378.39 is: 121,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,968.80 : 222,139.56 = 88,378.39 : x
  2. Step 2: Convert to fraction form
    160,968.80/222,139.56 = 88,378.39/x
  3. Step 3: Cross multiply
    160,968.80x = 222,139.56 × 88,378.39
  4. Step 4: Simplify right side
    160,968.80x = 19,632,336,668.11
  5. Step 5: Solve for x
    x = 19,632,336,668.11/160,968.80
  6. Step 6: Final answer
    x = 121,963.61

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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.