Home / 135,764.04-187,353.74-75,334.52

Finding the Fourth Proportional to 135,764.04, 187,353.74 and 75,334.52

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Solution

The fourth proportional to 135,764.04, 187,353.74 and 75,334.52 is: 103,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,764.04 : 187,353.74 = 75,334.52 : x
  2. Step 2: Convert to fraction form
    135,764.04/187,353.74 = 75,334.52/x
  3. Step 3: Cross multiply
    135,764.04x = 187,353.74 × 75,334.52
  4. Step 4: Simplify right side
    135,764.04x = 14,114,204,073.10
  5. Step 5: Solve for x
    x = 14,114,204,073.10/135,764.04
  6. Step 6: Final answer
    x = 103,961.29

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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.