Home / 104,198.04-143,728.56-61,726.50

Finding the Fourth Proportional to 104,198.04, 143,728.56 and 61,726.50

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Solution

The fourth proportional to 104,198.04, 143,728.56 and 61,726.50 is: 85,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,198.04 : 143,728.56 = 61,726.50 : x
  2. Step 2: Convert to fraction form
    104,198.04/143,728.56 = 61,726.50/x
  3. Step 3: Cross multiply
    104,198.04x = 143,728.56 × 61,726.50
  4. Step 4: Simplify right side
    104,198.04x = 8,871,860,958.84
  5. Step 5: Solve for x
    x = 8,871,860,958.84/104,198.04
  6. Step 6: Final answer
    x = 85,144.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.