Home / 168,301.42-252,081.24-139,118.74

Finding the Fourth Proportional to 168,301.42, 252,081.24 and 139,118.74

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Solution

The fourth proportional to 168,301.42, 252,081.24 and 139,118.74 is: 208,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,301.42 : 252,081.24 = 139,118.74 : x
  2. Step 2: Convert to fraction form
    168,301.42/252,081.24 = 139,118.74/x
  3. Step 3: Cross multiply
    168,301.42x = 252,081.24 × 139,118.74
  4. Step 4: Simplify right side
    168,301.42x = 35,069,224,486.44
  5. Step 5: Solve for x
    x = 35,069,224,486.44/168,301.42
  6. Step 6: Final answer
    x = 208,371.53

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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.