Home / 187,426.50-281,140.02-76,618.50

Finding the Fourth Proportional to 187,426.50, 281,140.02 and 76,618.50

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Solution

The fourth proportional to 187,426.50, 281,140.02 and 76,618.50 is: 114,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,426.50 : 281,140.02 = 76,618.50 : x
  2. Step 2: Convert to fraction form
    187,426.50/281,140.02 = 76,618.50/x
  3. Step 3: Cross multiply
    187,426.50x = 281,140.02 × 76,618.50
  4. Step 4: Simplify right side
    187,426.50x = 21,540,526,622.37
  5. Step 5: Solve for x
    x = 21,540,526,622.37/187,426.50
  6. Step 6: Final answer
    x = 114,927.86

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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.