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Finding the Fourth Proportional to 160,980.66, 222,149.22 and 88,383.19

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Solution

The fourth proportional to 160,980.66, 222,149.22 and 88,383.19 is: 121,966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,980.66 : 222,149.22 = 88,383.19 : x
  2. Step 2: Convert to fraction form
    160,980.66/222,149.22 = 88,383.19/x
  3. Step 3: Cross multiply
    160,980.66x = 222,149.22 × 88,383.19
  4. Step 4: Simplify right side
    160,980.66x = 19,634,256,719.61
  5. Step 5: Solve for x
    x = 19,634,256,719.61/160,980.66
  6. Step 6: Final answer
    x = 121,966.56

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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.