Home / 84,895.22-127,299.07-38,108.02

Finding the Fourth Proportional to 84,895.22, 127,299.07 and 38,108.02

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Solution

The fourth proportional to 84,895.22, 127,299.07 and 38,108.02 is: 57,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,895.22 : 127,299.07 = 38,108.02 : x
  2. Step 2: Convert to fraction form
    84,895.22/127,299.07 = 38,108.02/x
  3. Step 3: Cross multiply
    84,895.22x = 127,299.07 × 38,108.02
  4. Step 4: Simplify right side
    84,895.22x = 4,851,115,505.54
  5. Step 5: Solve for x
    x = 4,851,115,505.54/84,895.22
  6. Step 6: Final answer
    x = 57,142.39

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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.