Home / 135,577.26-187,107.81-75,166.86

Finding the Fourth Proportional to 135,577.26, 187,107.81 and 75,166.86

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Solution

The fourth proportional to 135,577.26, 187,107.81 and 75,166.86 is: 103,736.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,577.26 : 187,107.81 = 75,166.86 : x
  2. Step 2: Convert to fraction form
    135,577.26/187,107.81 = 75,166.86/x
  3. Step 3: Cross multiply
    135,577.26x = 187,107.81 × 75,166.86
  4. Step 4: Simplify right side
    135,577.26x = 14,064,306,559.18
  5. Step 5: Solve for x
    x = 14,064,306,559.18/135,577.26
  6. Step 6: Final answer
    x = 103,736.47

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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.