Home / 187,327.61-280,917.45-74,986.89

Finding the Fourth Proportional to 187,327.61, 280,917.45 and 74,986.89

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Solution

The fourth proportional to 187,327.61, 280,917.45 and 74,986.89 is: 112,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,327.61 : 280,917.45 = 74,986.89 : x
  2. Step 2: Convert to fraction form
    187,327.61/280,917.45 = 74,986.89/x
  3. Step 3: Cross multiply
    187,327.61x = 280,917.45 × 74,986.89
  4. Step 4: Simplify right side
    187,327.61x = 21,065,125,922.23
  5. Step 5: Solve for x
    x = 21,065,125,922.23/187,327.61
  6. Step 6: Final answer
    x = 112,450.73

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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.