Home / 135,626.35-187,156.86-75,193.46

Finding the Fourth Proportional to 135,626.35, 187,156.86 and 75,193.46

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Solution

The fourth proportional to 135,626.35, 187,156.86 and 75,193.46 is: 103,762.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,626.35 : 187,156.86 = 75,193.46 : x
  2. Step 2: Convert to fraction form
    135,626.35/187,156.86 = 75,193.46/x
  3. Step 3: Cross multiply
    135,626.35x = 187,156.86 × 75,193.46
  4. Step 4: Simplify right side
    135,626.35x = 14,072,971,866.14
  5. Step 5: Solve for x
    x = 14,072,971,866.14/135,626.35
  6. Step 6: Final answer
    x = 103,762.82

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