Home / 84,104.66-126,157-39,735.88

Finding the Fourth Proportional to 84,104.66, 126,157 and 39,735.88

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Solution

The fourth proportional to 84,104.66, 126,157 and 39,735.88 is: 59,603.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,104.66 : 126,157 = 39,735.88 : x
  2. Step 2: Convert to fraction form
    84,104.66/126,157 = 39,735.88/x
  3. Step 3: Cross multiply
    84,104.66x = 126,157 × 39,735.88
  4. Step 4: Simplify right side
    84,104.66x = 5,012,959,413.16
  5. Step 5: Solve for x
    x = 5,012,959,413.16/84,104.66
  6. Step 6: Final answer
    x = 59,603.82

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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.