Home / 87,900.47-131,840.23-22,980.59

Finding the Fourth Proportional to 87,900.47, 131,840.23 and 22,980.59

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Solution

The fourth proportional to 87,900.47, 131,840.23 and 22,980.59 is: 34,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,900.47 : 131,840.23 = 22,980.59 : x
  2. Step 2: Convert to fraction form
    87,900.47/131,840.23 = 22,980.59/x
  3. Step 3: Cross multiply
    87,900.47x = 131,840.23 × 22,980.59
  4. Step 4: Simplify right side
    87,900.47x = 3,029,766,271.14
  5. Step 5: Solve for x
    x = 3,029,766,271.14/87,900.47
  6. Step 6: Final answer
    x = 34,468.15

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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.