Home / 160,942.77-222,090.53-89,319.33

Finding the Fourth Proportional to 160,942.77, 222,090.53 and 89,319.33

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Solution

The fourth proportional to 160,942.77, 222,090.53 and 89,319.33 is: 123,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,942.77 : 222,090.53 = 89,319.33 : x
  2. Step 2: Convert to fraction form
    160,942.77/222,090.53 = 89,319.33/x
  3. Step 3: Cross multiply
    160,942.77x = 222,090.53 × 89,319.33
  4. Step 4: Simplify right side
    160,942.77x = 19,836,976,892.35
  5. Step 5: Solve for x
    x = 19,836,976,892.35/160,942.77
  6. Step 6: Final answer
    x = 123,254.85

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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.