Home / 160,930.28-222,079.86-89,309.24

Finding the Fourth Proportional to 160,930.28, 222,079.86 and 89,309.24

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Solution

The fourth proportional to 160,930.28, 222,079.86 and 89,309.24 is: 123,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,930.28 : 222,079.86 = 89,309.24 : x
  2. Step 2: Convert to fraction form
    160,930.28/222,079.86 = 89,309.24/x
  3. Step 3: Cross multiply
    160,930.28x = 222,079.86 × 89,309.24
  4. Step 4: Simplify right side
    160,930.28x = 19,833,783,515.91
  5. Step 5: Solve for x
    x = 19,833,783,515.91/160,930.28
  6. Step 6: Final answer
    x = 123,244.57

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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.