Home / 89,145.24-133,738.56-25,966.86

Finding the Fourth Proportional to 89,145.24, 133,738.56 and 25,966.86

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Solution

The fourth proportional to 89,145.24, 133,738.56 and 25,966.86 is: 38,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,145.24 : 133,738.56 = 25,966.86 : x
  2. Step 2: Convert to fraction form
    89,145.24/133,738.56 = 25,966.86/x
  3. Step 3: Cross multiply
    89,145.24x = 133,738.56 × 25,966.86
  4. Step 4: Simplify right side
    89,145.24x = 3,472,770,464.12
  5. Step 5: Solve for x
    x = 3,472,770,464.12/89,145.24
  6. Step 6: Final answer
    x = 38,956.32

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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.