Home / 91,830.16-137,745.15-25,270.66

Finding the Fourth Proportional to 91,830.16, 137,745.15 and 25,270.66

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Solution

The fourth proportional to 91,830.16, 137,745.15 and 25,270.66 is: 37,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,830.16 : 137,745.15 = 25,270.66 : x
  2. Step 2: Convert to fraction form
    91,830.16/137,745.15 = 25,270.66/x
  3. Step 3: Cross multiply
    91,830.16x = 137,745.15 × 25,270.66
  4. Step 4: Simplify right side
    91,830.16x = 3,480,910,852.30
  5. Step 5: Solve for x
    x = 3,480,910,852.30/91,830.16
  6. Step 6: Final answer
    x = 37,905.97

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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.