Home / 115,511.88-173,102.58-52,174.74

Finding the Fourth Proportional to 115,511.88, 173,102.58 and 52,174.74

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Solution

The fourth proportional to 115,511.88, 173,102.58 and 52,174.74 is: 78,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,511.88 : 173,102.58 = 52,174.74 : x
  2. Step 2: Convert to fraction form
    115,511.88/173,102.58 = 52,174.74/x
  3. Step 3: Cross multiply
    115,511.88x = 173,102.58 × 52,174.74
  4. Step 4: Simplify right side
    115,511.88x = 9,031,582,104.83
  5. Step 5: Solve for x
    x = 9,031,582,104.83/115,511.88
  6. Step 6: Final answer
    x = 78,187.47

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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.