Home / 138,003.42-207,005.16-44,509.20

Finding the Fourth Proportional to 138,003.42, 207,005.16 and 44,509.20

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Solution

The fourth proportional to 138,003.42, 207,005.16 and 44,509.20 is: 66,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,003.42 : 207,005.16 = 44,509.20 : x
  2. Step 2: Convert to fraction form
    138,003.42/207,005.16 = 44,509.20/x
  3. Step 3: Cross multiply
    138,003.42x = 207,005.16 × 44,509.20
  4. Step 4: Simplify right side
    138,003.42x = 9,213,634,067.47
  5. Step 5: Solve for x
    x = 9,213,634,067.47/138,003.42
  6. Step 6: Final answer
    x = 66,763.81

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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.