Home / 173,760.82-239,785.86-102,142.78

Finding the Fourth Proportional to 173,760.82, 239,785.86 and 102,142.78

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Solution

The fourth proportional to 173,760.82, 239,785.86 and 102,142.78 is: 140,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,760.82 : 239,785.86 = 102,142.78 : x
  2. Step 2: Convert to fraction form
    173,760.82/239,785.86 = 102,142.78/x
  3. Step 3: Cross multiply
    173,760.82x = 239,785.86 × 102,142.78
  4. Step 4: Simplify right side
    173,760.82x = 24,492,394,345.09
  5. Step 5: Solve for x
    x = 24,492,394,345.09/173,760.82
  6. Step 6: Final answer
    x = 140,954.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.