Home / 115,046.60-172,424.50-51,799.37

Finding the Fourth Proportional to 115,046.60, 172,424.50 and 51,799.37

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Solution

The fourth proportional to 115,046.60, 172,424.50 and 51,799.37 is: 77,633.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,046.60 : 172,424.50 = 51,799.37 : x
  2. Step 2: Convert to fraction form
    115,046.60/172,424.50 = 51,799.37/x
  3. Step 3: Cross multiply
    115,046.60x = 172,424.50 × 51,799.37
  4. Step 4: Simplify right side
    115,046.60x = 8,931,479,480.94
  5. Step 5: Solve for x
    x = 8,931,479,480.94/115,046.60
  6. Step 6: Final answer
    x = 77,633.58

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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.