Home / 134,781.07-202,137.01-39,988.83

Finding the Fourth Proportional to 134,781.07, 202,137.01 and 39,988.83

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Solution

The fourth proportional to 134,781.07, 202,137.01 and 39,988.83 is: 59,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,781.07 : 202,137.01 = 39,988.83 : x
  2. Step 2: Convert to fraction form
    134,781.07/202,137.01 = 39,988.83/x
  3. Step 3: Cross multiply
    134,781.07x = 202,137.01 × 39,988.83
  4. Step 4: Simplify right side
    134,781.07x = 8,083,222,611.97
  5. Step 5: Solve for x
    x = 8,083,222,611.97/134,781.07
  6. Step 6: Final answer
    x = 59,972.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.