Home / 96,960.96-145,443.24-30,399.60

Finding the Fourth Proportional to 96,960.96, 145,443.24 and 30,399.60

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Solution

The fourth proportional to 96,960.96, 145,443.24 and 30,399.60 is: 45,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,960.96 : 145,443.24 = 30,399.60 : x
  2. Step 2: Convert to fraction form
    96,960.96/145,443.24 = 30,399.60/x
  3. Step 3: Cross multiply
    96,960.96x = 145,443.24 × 30,399.60
  4. Step 4: Simplify right side
    96,960.96x = 4,421,416,318.70
  5. Step 5: Solve for x
    x = 4,421,416,318.70/96,960.96
  6. Step 6: Final answer
    x = 45,599.96

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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.