Home / 89,321.54-134,001.75-30,154.69

Finding the Fourth Proportional to 89,321.54, 134,001.75 and 30,154.69

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Solution

The fourth proportional to 89,321.54, 134,001.75 and 30,154.69 is: 45,238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,321.54 : 134,001.75 = 30,154.69 : x
  2. Step 2: Convert to fraction form
    89,321.54/134,001.75 = 30,154.69/x
  3. Step 3: Cross multiply
    89,321.54x = 134,001.75 × 30,154.69
  4. Step 4: Simplify right side
    89,321.54x = 4,040,780,560.70
  5. Step 5: Solve for x
    x = 4,040,780,560.70/89,321.54
  6. Step 6: Final answer
    x = 45,238.59

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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.