Home / 138,268.84-207,471.02-49,529.20

Finding the Fourth Proportional to 138,268.84, 207,471.02 and 49,529.20

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Solution

The fourth proportional to 138,268.84, 207,471.02 and 49,529.20 is: 74,318.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,268.84 : 207,471.02 = 49,529.20 : x
  2. Step 2: Convert to fraction form
    138,268.84/207,471.02 = 49,529.20/x
  3. Step 3: Cross multiply
    138,268.84x = 207,471.02 × 49,529.20
  4. Step 4: Simplify right side
    138,268.84x = 10,275,873,643.78
  5. Step 5: Solve for x
    x = 10,275,873,643.78/138,268.84
  6. Step 6: Final answer
    x = 74,318.07

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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.