Home / 251,977.05-347,728.34-138,799.80

Finding the Fourth Proportional to 251,977.05, 347,728.34 and 138,799.80

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Solution

The fourth proportional to 251,977.05, 347,728.34 and 138,799.80 is: 191,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,977.05 : 347,728.34 = 138,799.80 : x
  2. Step 2: Convert to fraction form
    251,977.05/347,728.34 = 138,799.80/x
  3. Step 3: Cross multiply
    251,977.05x = 347,728.34 × 138,799.80
  4. Step 4: Simplify right side
    251,977.05x = 48,264,624,393.33
  5. Step 5: Solve for x
    x = 48,264,624,393.33/251,977.05
  6. Step 6: Final answer
    x = 191,543.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.