Home / 87,230.25-130,762.28-28,024.37

Finding the Fourth Proportional to 87,230.25, 130,762.28 and 28,024.37

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Solution

The fourth proportional to 87,230.25, 130,762.28 and 28,024.37 is: 42,009.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,230.25 : 130,762.28 = 28,024.37 : x
  2. Step 2: Convert to fraction form
    87,230.25/130,762.28 = 28,024.37/x
  3. Step 3: Cross multiply
    87,230.25x = 130,762.28 × 28,024.37
  4. Step 4: Simplify right side
    87,230.25x = 3,664,530,516.76
  5. Step 5: Solve for x
    x = 3,664,530,516.76/87,230.25
  6. Step 6: Final answer
    x = 42,009.86

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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.