Home / 251,985.62-347,740.07-138,808.37

Finding the Fourth Proportional to 251,985.62, 347,740.07 and 138,808.37

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Solution

The fourth proportional to 251,985.62, 347,740.07 and 138,808.37 is: 191,555.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,985.62 : 347,740.07 = 138,808.37 : x
  2. Step 2: Convert to fraction form
    251,985.62/347,740.07 = 138,808.37/x
  3. Step 3: Cross multiply
    251,985.62x = 347,740.07 × 138,808.37
  4. Step 4: Simplify right side
    251,985.62x = 48,269,229,867.64
  5. Step 5: Solve for x
    x = 48,269,229,867.64/251,985.62
  6. Step 6: Final answer
    x = 191,555.50

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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.