Home / 138,015.08-207,022.39-43,252.56

Finding the Fourth Proportional to 138,015.08, 207,022.39 and 43,252.56

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Solution

The fourth proportional to 138,015.08, 207,022.39 and 43,252.56 is: 64,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,015.08 : 207,022.39 = 43,252.56 : x
  2. Step 2: Convert to fraction form
    138,015.08/207,022.39 = 43,252.56/x
  3. Step 3: Cross multiply
    138,015.08x = 207,022.39 × 43,252.56
  4. Step 4: Simplify right side
    138,015.08x = 8,954,248,344.82
  5. Step 5: Solve for x
    x = 8,954,248,344.82/138,015.08
  6. Step 6: Final answer
    x = 64,878.77

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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.