Home / 251,747.80-377,677.26-83,320.60

Finding the Fourth Proportional to 251,747.80, 377,677.26 and 83,320.60

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Solution

The fourth proportional to 251,747.80, 377,677.26 and 83,320.60 is: 124,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,747.80 : 377,677.26 = 83,320.60 : x
  2. Step 2: Convert to fraction form
    251,747.80/377,677.26 = 83,320.60/x
  3. Step 3: Cross multiply
    251,747.80x = 377,677.26 × 83,320.60
  4. Step 4: Simplify right side
    251,747.80x = 31,468,295,909.56
  5. Step 5: Solve for x
    x = 31,468,295,909.56/251,747.80
  6. Step 6: Final answer
    x = 124,999.29

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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.