Home / 160,972.28-222,130.63-89,346.66

Finding the Fourth Proportional to 160,972.28, 222,130.63 and 89,346.66

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Solution

The fourth proportional to 160,972.28, 222,130.63 and 89,346.66 is: 123,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,972.28 : 222,130.63 = 89,346.66 : x
  2. Step 2: Convert to fraction form
    160,972.28/222,130.63 = 89,346.66/x
  3. Step 3: Cross multiply
    160,972.28x = 222,130.63 × 89,346.66
  4. Step 4: Simplify right side
    160,972.28x = 19,846,629,874.20
  5. Step 5: Solve for x
    x = 19,846,629,874.20/160,972.28
  6. Step 6: Final answer
    x = 123,292.22

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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.