Home / 187,772.22-281,655.72-45,618.48

Finding the Fourth Proportional to 187,772.22, 281,655.72 and 45,618.48

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Solution

The fourth proportional to 187,772.22, 281,655.72 and 45,618.48 is: 68,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,772.22 : 281,655.72 = 45,618.48 : x
  2. Step 2: Convert to fraction form
    187,772.22/281,655.72 = 45,618.48/x
  3. Step 3: Cross multiply
    187,772.22x = 281,655.72 × 45,618.48
  4. Step 4: Simplify right side
    187,772.22x = 12,848,705,829.71
  5. Step 5: Solve for x
    x = 12,848,705,829.71/187,772.22
  6. Step 6: Final answer
    x = 68,427.09

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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.