Home / 137,618.43-206,425.80-37,778.51

Finding the Fourth Proportional to 137,618.43, 206,425.80 and 37,778.51

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Solution

The fourth proportional to 137,618.43, 206,425.80 and 37,778.51 is: 56,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,618.43 : 206,425.80 = 37,778.51 : x
  2. Step 2: Convert to fraction form
    137,618.43/206,425.80 = 37,778.51/x
  3. Step 3: Cross multiply
    137,618.43x = 206,425.80 × 37,778.51
  4. Step 4: Simplify right side
    137,618.43x = 7,798,458,117.43
  5. Step 5: Solve for x
    x = 7,798,458,117.43/137,618.43
  6. Step 6: Final answer
    x = 56,667.25

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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.