Home / 87,174.86-130,757.67-28,005.93

Finding the Fourth Proportional to 87,174.86, 130,757.67 and 28,005.93

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Solution

The fourth proportional to 87,174.86, 130,757.67 and 28,005.93 is: 42,007.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,174.86 : 130,757.67 = 28,005.93 : x
  2. Step 2: Convert to fraction form
    87,174.86/130,757.67 = 28,005.93/x
  3. Step 3: Cross multiply
    87,174.86x = 130,757.67 × 28,005.93
  4. Step 4: Simplify right side
    87,174.86x = 3,661,990,152.98
  5. Step 5: Solve for x
    x = 3,661,990,152.98/87,174.86
  6. Step 6: Final answer
    x = 42,007.41

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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.