Home / 160,219.75-221,099.61-88,600.36

Finding the Fourth Proportional to 160,219.75, 221,099.61 and 88,600.36

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Solution

The fourth proportional to 160,219.75, 221,099.61 and 88,600.36 is: 122,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,219.75 : 221,099.61 = 88,600.36 : x
  2. Step 2: Convert to fraction form
    160,219.75/221,099.61 = 88,600.36/x
  3. Step 3: Cross multiply
    160,219.75x = 221,099.61 × 88,600.36
  4. Step 4: Simplify right side
    160,219.75x = 19,589,505,041.86
  5. Step 5: Solve for x
    x = 19,589,505,041.86/160,219.75
  6. Step 6: Final answer
    x = 122,266.48

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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.