Home / 182,136.51-273,139.16-76,963.68

Finding the Fourth Proportional to 182,136.51, 273,139.16 and 76,963.68

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Solution

The fourth proportional to 182,136.51, 273,139.16 and 76,963.68 is: 115,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,136.51 : 273,139.16 = 76,963.68 : x
  2. Step 2: Convert to fraction form
    182,136.51/273,139.16 = 76,963.68/x
  3. Step 3: Cross multiply
    182,136.51x = 273,139.16 × 76,963.68
  4. Step 4: Simplify right side
    182,136.51x = 21,021,794,520.89
  5. Step 5: Solve for x
    x = 21,021,794,520.89/182,136.51
  6. Step 6: Final answer
    x = 115,417.80

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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.