Home / 138,256.37-207,173.28-93,110.79

Finding the Fourth Proportional to 138,256.37, 207,173.28 and 93,110.79

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Solution

The fourth proportional to 138,256.37, 207,173.28 and 93,110.79 is: 139,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,256.37 : 207,173.28 = 93,110.79 : x
  2. Step 2: Convert to fraction form
    138,256.37/207,173.28 = 93,110.79/x
  3. Step 3: Cross multiply
    138,256.37x = 207,173.28 × 93,110.79
  4. Step 4: Simplify right side
    138,256.37x = 19,290,067,767.69
  5. Step 5: Solve for x
    x = 19,290,067,767.69/138,256.37
  6. Step 6: Final answer
    x = 139,523.90

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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.