Home / 135,599.48-187,107.63-75,170.11

Finding the Fourth Proportional to 135,599.48, 187,107.63 and 75,170.11

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Solution

The fourth proportional to 135,599.48, 187,107.63 and 75,170.11 is: 103,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,599.48 : 187,107.63 = 75,170.11 : x
  2. Step 2: Convert to fraction form
    135,599.48/187,107.63 = 75,170.11/x
  3. Step 3: Cross multiply
    135,599.48x = 187,107.63 × 75,170.11
  4. Step 4: Simplify right side
    135,599.48x = 14,064,900,193.40
  5. Step 5: Solve for x
    x = 14,064,900,193.40/135,599.48
  6. Step 6: Final answer
    x = 103,723.85

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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.