Home / 168,143.31-252,132.35-55,785.38

Finding the Fourth Proportional to 168,143.31, 252,132.35 and 55,785.38

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Solution

The fourth proportional to 168,143.31, 252,132.35 and 55,785.38 is: 83,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,143.31 : 252,132.35 = 55,785.38 : x
  2. Step 2: Convert to fraction form
    168,143.31/252,132.35 = 55,785.38/x
  3. Step 3: Cross multiply
    168,143.31x = 252,132.35 × 55,785.38
  4. Step 4: Simplify right side
    168,143.31x = 14,065,297,415.45
  5. Step 5: Solve for x
    x = 14,065,297,415.45/168,143.31
  6. Step 6: Final answer
    x = 83,650.65

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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.