Home / 137,394.96-206,121.81-42,623.07

Finding the Fourth Proportional to 137,394.96, 206,121.81 and 42,623.07

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Solution

The fourth proportional to 137,394.96, 206,121.81 and 42,623.07 is: 63,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,394.96 : 206,121.81 = 42,623.07 : x
  2. Step 2: Convert to fraction form
    137,394.96/206,121.81 = 42,623.07/x
  3. Step 3: Cross multiply
    137,394.96x = 206,121.81 × 42,623.07
  4. Step 4: Simplify right side
    137,394.96x = 8,785,544,336.16
  5. Step 5: Solve for x
    x = 8,785,544,336.16/137,394.96
  6. Step 6: Final answer
    x = 63,943.72

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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.