Home / 137,724.41-206,513.94-42,936.93

Finding the Fourth Proportional to 137,724.41, 206,513.94 and 42,936.93

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Solution

The fourth proportional to 137,724.41, 206,513.94 and 42,936.93 is: 64,382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,724.41 : 206,513.94 = 42,936.93 : x
  2. Step 2: Convert to fraction form
    137,724.41/206,513.94 = 42,936.93/x
  3. Step 3: Cross multiply
    137,724.41x = 206,513.94 × 42,936.93
  4. Step 4: Simplify right side
    137,724.41x = 8,867,074,746.82
  5. Step 5: Solve for x
    x = 8,867,074,746.82/137,724.41
  6. Step 6: Final answer
    x = 64,382.74

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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.