Home / 150,169.26-225,253.71-69,108.12

Finding the Fourth Proportional to 150,169.26, 225,253.71 and 69,108.12

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Solution

The fourth proportional to 150,169.26, 225,253.71 and 69,108.12 is: 103,662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,169.26 : 225,253.71 = 69,108.12 : x
  2. Step 2: Convert to fraction form
    150,169.26/225,253.71 = 69,108.12/x
  3. Step 3: Cross multiply
    150,169.26x = 225,253.71 × 69,108.12
  4. Step 4: Simplify right side
    150,169.26x = 15,566,860,421.13
  5. Step 5: Solve for x
    x = 15,566,860,421.13/150,169.26
  6. Step 6: Final answer
    x = 103,662.10

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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.