Home / 135,900.36-187,536.15-75,474.90

Finding the Fourth Proportional to 135,900.36, 187,536.15 and 75,474.90

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Solution

The fourth proportional to 135,900.36, 187,536.15 and 75,474.90 is: 104,151.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,900.36 : 187,536.15 = 75,474.90 : x
  2. Step 2: Convert to fraction form
    135,900.36/187,536.15 = 75,474.90/x
  3. Step 3: Cross multiply
    135,900.36x = 187,536.15 × 75,474.90
  4. Step 4: Simplify right side
    135,900.36x = 14,154,272,167.64
  5. Step 5: Solve for x
    x = 14,154,272,167.64/135,900.36
  6. Step 6: Final answer
    x = 104,151.84

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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.