Home / 109,679.67-164,615.49-53,561.25

Finding the Fourth Proportional to 109,679.67, 164,615.49 and 53,561.25

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Solution

The fourth proportional to 109,679.67, 164,615.49 and 53,561.25 is: 80,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,679.67 : 164,615.49 = 53,561.25 : x
  2. Step 2: Convert to fraction form
    109,679.67/164,615.49 = 53,561.25/x
  3. Step 3: Cross multiply
    109,679.67x = 164,615.49 × 53,561.25
  4. Step 4: Simplify right side
    109,679.67x = 8,817,011,413.76
  5. Step 5: Solve for x
    x = 8,817,011,413.76/109,679.67
  6. Step 6: Final answer
    x = 80,388.75

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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.