Home / 134,781.34-202,137.41-39,989.10

Finding the Fourth Proportional to 134,781.34, 202,137.41 and 39,989.10

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Solution

The fourth proportional to 134,781.34, 202,137.41 and 39,989.10 is: 59,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,781.34 : 202,137.41 = 39,989.10 : x
  2. Step 2: Convert to fraction form
    134,781.34/202,137.41 = 39,989.10/x
  3. Step 3: Cross multiply
    134,781.34x = 202,137.41 × 39,989.10
  4. Step 4: Simplify right side
    134,781.34x = 8,083,292,294.23
  5. Step 5: Solve for x
    x = 8,083,292,294.23/134,781.34
  6. Step 6: Final answer
    x = 59,973.38

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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.