Home / 205,057.13-307,583.85-64,815.80

Finding the Fourth Proportional to 205,057.13, 307,583.85 and 64,815.80

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Solution

The fourth proportional to 205,057.13, 307,583.85 and 64,815.80 is: 97,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,057.13 : 307,583.85 = 64,815.80 : x
  2. Step 2: Convert to fraction form
    205,057.13/307,583.85 = 64,815.80/x
  3. Step 3: Cross multiply
    205,057.13x = 307,583.85 × 64,815.80
  4. Step 4: Simplify right side
    205,057.13x = 19,936,293,304.83
  5. Step 5: Solve for x
    x = 19,936,293,304.83/205,057.13
  6. Step 6: Final answer
    x = 97,223.12

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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.