Home / 251,669.26-377,542.77-91,758.70

Finding the Fourth Proportional to 251,669.26, 377,542.77 and 91,758.70

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Solution

The fourth proportional to 251,669.26, 377,542.77 and 91,758.70 is: 137,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,669.26 : 377,542.77 = 91,758.70 : x
  2. Step 2: Convert to fraction form
    251,669.26/377,542.77 = 91,758.70/x
  3. Step 3: Cross multiply
    251,669.26x = 377,542.77 × 91,758.70
  4. Step 4: Simplify right side
    251,669.26x = 34,642,833,769.60
  5. Step 5: Solve for x
    x = 34,642,833,769.60/251,669.26
  6. Step 6: Final answer
    x = 137,652.23

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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.