Home / 138,724.27-208,037.16-49,953.94

Finding the Fourth Proportional to 138,724.27, 208,037.16 and 49,953.94

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Solution

The fourth proportional to 138,724.27, 208,037.16 and 49,953.94 is: 74,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,724.27 : 208,037.16 = 49,953.94 : x
  2. Step 2: Convert to fraction form
    138,724.27/208,037.16 = 49,953.94/x
  3. Step 3: Cross multiply
    138,724.27x = 208,037.16 × 49,953.94
  4. Step 4: Simplify right side
    138,724.27x = 10,392,275,288.32
  5. Step 5: Solve for x
    x = 10,392,275,288.32/138,724.27
  6. Step 6: Final answer
    x = 74,913.17

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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.