Home / 87,973.02-131,957.67-21,413.52

Finding the Fourth Proportional to 87,973.02, 131,957.67 and 21,413.52

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Solution

The fourth proportional to 87,973.02, 131,957.67 and 21,413.52 is: 32,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,973.02 : 131,957.67 = 21,413.52 : x
  2. Step 2: Convert to fraction form
    87,973.02/131,957.67 = 21,413.52/x
  3. Step 3: Cross multiply
    87,973.02x = 131,957.67 × 21,413.52
  4. Step 4: Simplify right side
    87,973.02x = 2,825,678,205.70
  5. Step 5: Solve for x
    x = 2,825,678,205.70/87,973.02
  6. Step 6: Final answer
    x = 32,119.83

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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.