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Finding the Fourth Proportional to 160,735.44, 221,820.04 and 89,122.12

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Solution

The fourth proportional to 160,735.44, 221,820.04 and 89,122.12 is: 122,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,735.44 : 221,820.04 = 89,122.12 : x
  2. Step 2: Convert to fraction form
    160,735.44/221,820.04 = 89,122.12/x
  3. Step 3: Cross multiply
    160,735.44x = 221,820.04 × 89,122.12
  4. Step 4: Simplify right side
    160,735.44x = 19,769,072,223.28
  5. Step 5: Solve for x
    x = 19,769,072,223.28/160,735.44
  6. Step 6: Final answer
    x = 122,991.37

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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.