Home / 251,973.82-347,723.90-138,796.57

Finding the Fourth Proportional to 251,973.82, 347,723.90 and 138,796.57

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Solution

The fourth proportional to 251,973.82, 347,723.90 and 138,796.57 is: 191,539.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,973.82 : 347,723.90 = 138,796.57 : x
  2. Step 2: Convert to fraction form
    251,973.82/347,723.90 = 138,796.57/x
  3. Step 3: Cross multiply
    251,973.82x = 347,723.90 × 138,796.57
  4. Step 4: Simplify right side
    251,973.82x = 48,262,884,627.02
  5. Step 5: Solve for x
    x = 48,262,884,627.02/251,973.82
  6. Step 6: Final answer
    x = 191,539.28

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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.