Home / 160,861.44-221,989.04-89,241.46

Finding the Fourth Proportional to 160,861.44, 221,989.04 and 89,241.46

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Solution

The fourth proportional to 160,861.44, 221,989.04 and 89,241.46 is: 123,153.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,861.44 : 221,989.04 = 89,241.46 : x
  2. Step 2: Convert to fraction form
    160,861.44/221,989.04 = 89,241.46/x
  3. Step 3: Cross multiply
    160,861.44x = 221,989.04 × 89,241.46
  4. Step 4: Simplify right side
    160,861.44x = 19,810,626,033.60
  5. Step 5: Solve for x
    x = 19,810,626,033.60/160,861.44
  6. Step 6: Final answer
    x = 123,153.36

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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.