Home / 205,645.13-308,353.08-63,450.03

Finding the Fourth Proportional to 205,645.13, 308,353.08 and 63,450.03

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Solution

The fourth proportional to 205,645.13, 308,353.08 and 63,450.03 is: 95,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,645.13 : 308,353.08 = 63,450.03 : x
  2. Step 2: Convert to fraction form
    205,645.13/308,353.08 = 63,450.03/x
  3. Step 3: Cross multiply
    205,645.13x = 308,353.08 × 63,450.03
  4. Step 4: Simplify right side
    205,645.13x = 19,565,013,213.95
  5. Step 5: Solve for x
    x = 19,565,013,213.95/205,645.13
  6. Step 6: Final answer
    x = 95,139.69

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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.