Home / 205,135.17-307,604.29-96,974.47

Finding the Fourth Proportional to 205,135.17, 307,604.29 and 96,974.47

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Solution

The fourth proportional to 205,135.17, 307,604.29 and 96,974.47 is: 145,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,135.17 : 307,604.29 = 96,974.47 : x
  2. Step 2: Convert to fraction form
    205,135.17/307,604.29 = 96,974.47/x
  3. Step 3: Cross multiply
    205,135.17x = 307,604.29 × 96,974.47
  4. Step 4: Simplify right side
    205,135.17x = 29,829,762,992.48
  5. Step 5: Solve for x
    x = 29,829,762,992.48/205,135.17
  6. Step 6: Final answer
    x = 145,415.16

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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.