Home / 155,635.56-233,270.28-89,121.60

Finding the Fourth Proportional to 155,635.56, 233,270.28 and 89,121.60

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Solution

The fourth proportional to 155,635.56, 233,270.28 and 89,121.60 is: 133,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,635.56 : 233,270.28 = 89,121.60 : x
  2. Step 2: Convert to fraction form
    155,635.56/233,270.28 = 89,121.60/x
  3. Step 3: Cross multiply
    155,635.56x = 233,270.28 × 89,121.60
  4. Step 4: Simplify right side
    155,635.56x = 20,789,420,586.05
  5. Step 5: Solve for x
    x = 20,789,420,586.05/155,635.56
  6. Step 6: Final answer
    x = 133,577.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.