Home / 115,708.52-173,661.06-82,509.86

Finding the Fourth Proportional to 115,708.52, 173,661.06 and 82,509.86

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Solution

The fourth proportional to 115,708.52, 173,661.06 and 82,509.86 is: 123,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,708.52 : 173,661.06 = 82,509.86 : x
  2. Step 2: Convert to fraction form
    115,708.52/173,661.06 = 82,509.86/x
  3. Step 3: Cross multiply
    115,708.52x = 173,661.06 × 82,509.86
  4. Step 4: Simplify right side
    115,708.52x = 14,328,749,748.05
  5. Step 5: Solve for x
    x = 14,328,749,748.05/115,708.52
  6. Step 6: Final answer
    x = 123,834.87

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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.