Home / 205,289.08-307,962.92-63,146.21

Finding the Fourth Proportional to 205,289.08, 307,962.92 and 63,146.21

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Solution

The fourth proportional to 205,289.08, 307,962.92 and 63,146.21 is: 94,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,289.08 : 307,962.92 = 63,146.21 : x
  2. Step 2: Convert to fraction form
    205,289.08/307,962.92 = 63,146.21/x
  3. Step 3: Cross multiply
    205,289.08x = 307,962.92 × 63,146.21
  4. Step 4: Simplify right side
    205,289.08x = 19,446,690,391.93
  5. Step 5: Solve for x
    x = 19,446,690,391.93/205,289.08
  6. Step 6: Final answer
    x = 94,728.33

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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.