Home / 87,481.26-131,242.73-28,316.93

Finding the Fourth Proportional to 87,481.26, 131,242.73 and 28,316.93

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Solution

The fourth proportional to 87,481.26, 131,242.73 and 28,316.93 is: 42,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,481.26 : 131,242.73 = 28,316.93 : x
  2. Step 2: Convert to fraction form
    87,481.26/131,242.73 = 28,316.93/x
  3. Step 3: Cross multiply
    87,481.26x = 131,242.73 × 28,316.93
  4. Step 4: Simplify right side
    87,481.26x = 3,716,390,400.62
  5. Step 5: Solve for x
    x = 3,716,390,400.62/87,481.26
  6. Step 6: Final answer
    x = 42,482.13

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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.