Home / 160,954.39-222,115.45-89,332.57

Finding the Fourth Proportional to 160,954.39, 222,115.45 and 89,332.57

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Solution

The fourth proportional to 160,954.39, 222,115.45 and 89,332.57 is: 123,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,954.39 : 222,115.45 = 89,332.57 : x
  2. Step 2: Convert to fraction form
    160,954.39/222,115.45 = 89,332.57/x
  3. Step 3: Cross multiply
    160,954.39x = 222,115.45 × 89,332.57
  4. Step 4: Simplify right side
    160,954.39x = 19,842,142,427.97
  5. Step 5: Solve for x
    x = 19,842,142,427.97/160,954.39
  6. Step 6: Final answer
    x = 123,278.05

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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.