Home / 187,270.40-280,933.55-68,932.74

Finding the Fourth Proportional to 187,270.40, 280,933.55 and 68,932.74

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Solution

The fourth proportional to 187,270.40, 280,933.55 and 68,932.74 is: 103,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,270.40 : 280,933.55 = 68,932.74 : x
  2. Step 2: Convert to fraction form
    187,270.40/280,933.55 = 68,932.74/x
  3. Step 3: Cross multiply
    187,270.40x = 280,933.55 × 68,932.74
  4. Step 4: Simplify right side
    187,270.40x = 19,365,519,531.76
  5. Step 5: Solve for x
    x = 19,365,519,531.76/187,270.40
  6. Step 6: Final answer
    x = 103,409.40

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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.