Home / 168,120.55-251,437.24-149,531.05

Finding the Fourth Proportional to 168,120.55, 251,437.24 and 149,531.05

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Solution

The fourth proportional to 168,120.55, 251,437.24 and 149,531.05 is: 223,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,120.55 : 251,437.24 = 149,531.05 : x
  2. Step 2: Convert to fraction form
    168,120.55/251,437.24 = 149,531.05/x
  3. Step 3: Cross multiply
    168,120.55x = 251,437.24 × 149,531.05
  4. Step 4: Simplify right side
    168,120.55x = 37,597,674,506.30
  5. Step 5: Solve for x
    x = 37,597,674,506.30/168,120.55
  6. Step 6: Final answer
    x = 223,635.21

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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.