Home / 135,723.01-187,297.98-75,293.66

Finding the Fourth Proportional to 135,723.01, 187,297.98 and 75,293.66

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Solution

The fourth proportional to 135,723.01, 187,297.98 and 75,293.66 is: 103,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,723.01 : 187,297.98 = 75,293.66 : x
  2. Step 2: Convert to fraction form
    135,723.01/187,297.98 = 75,293.66/x
  3. Step 3: Cross multiply
    135,723.01x = 187,297.98 × 75,293.66
  4. Step 4: Simplify right side
    135,723.01x = 14,102,349,111.85
  5. Step 5: Solve for x
    x = 14,102,349,111.85/135,723.01
  6. Step 6: Final answer
    x = 103,905.37

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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.