Home / 135,799.86-187,395.06-75,370.53

Finding the Fourth Proportional to 135,799.86, 187,395.06 and 75,370.53

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Solution

The fourth proportional to 135,799.86, 187,395.06 and 75,370.53 is: 104,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,799.86 : 187,395.06 = 75,370.53 : x
  2. Step 2: Convert to fraction form
    135,799.86/187,395.06 = 75,370.53/x
  3. Step 3: Cross multiply
    135,799.86x = 187,395.06 × 75,370.53
  4. Step 4: Simplify right side
    135,799.86x = 14,124,064,991.58
  5. Step 5: Solve for x
    x = 14,124,064,991.58/135,799.86
  6. Step 6: Final answer
    x = 104,006.48

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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.