Home / 137,578.73-206,368.40-37,740.35

Finding the Fourth Proportional to 137,578.73, 206,368.40 and 37,740.35

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Solution

The fourth proportional to 137,578.73, 206,368.40 and 37,740.35 is: 56,610.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,578.73 : 206,368.40 = 37,740.35 : x
  2. Step 2: Convert to fraction form
    137,578.73/206,368.40 = 37,740.35/x
  3. Step 3: Cross multiply
    137,578.73x = 206,368.40 × 37,740.35
  4. Step 4: Simplify right side
    137,578.73x = 7,788,415,972.16
  5. Step 5: Solve for x
    x = 7,788,415,972.16/137,578.73
  6. Step 6: Final answer
    x = 56,610.61

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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.