Home / 251,839.60-377,774.12-71,911.15

Finding the Fourth Proportional to 251,839.60, 377,774.12 and 71,911.15

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Solution

The fourth proportional to 251,839.60, 377,774.12 and 71,911.15 is: 107,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,839.60 : 377,774.12 = 71,911.15 : x
  2. Step 2: Convert to fraction form
    251,839.60/377,774.12 = 71,911.15/x
  3. Step 3: Cross multiply
    251,839.60x = 377,774.12 × 71,911.15
  4. Step 4: Simplify right side
    251,839.60x = 27,166,170,644.78
  5. Step 5: Solve for x
    x = 27,166,170,644.78/251,839.60
  6. Step 6: Final answer
    x = 107,870.93

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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.