Home / 137,093.88-205,564.41-42,297.15

Finding the Fourth Proportional to 137,093.88, 205,564.41 and 42,297.15

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Solution

The fourth proportional to 137,093.88, 205,564.41 and 42,297.15 is: 63,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,093.88 : 205,564.41 = 42,297.15 : x
  2. Step 2: Convert to fraction form
    137,093.88/205,564.41 = 42,297.15/x
  3. Step 3: Cross multiply
    137,093.88x = 205,564.41 × 42,297.15
  4. Step 4: Simplify right side
    137,093.88x = 8,694,788,472.95
  5. Step 5: Solve for x
    x = 8,694,788,472.95/137,093.88
  6. Step 6: Final answer
    x = 63,422.15

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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.