Home / 160,954.68-222,115.78-89,335.32

Finding the Fourth Proportional to 160,954.68, 222,115.78 and 89,335.32

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Solution

The fourth proportional to 160,954.68, 222,115.78 and 89,335.32 is: 123,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,954.68 : 222,115.78 = 89,335.32 : x
  2. Step 2: Convert to fraction form
    160,954.68/222,115.78 = 89,335.32/x
  3. Step 3: Cross multiply
    160,954.68x = 222,115.78 × 89,335.32
  4. Step 4: Simplify right side
    160,954.68x = 19,842,784,283.35
  5. Step 5: Solve for x
    x = 19,842,784,283.35/160,954.68
  6. Step 6: Final answer
    x = 123,281.81

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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.