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Finding the Fourth Proportional to 161,895, 223,415.10 and 94,827

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Solution

The fourth proportional to 161,895, 223,415.10 and 94,827 is: 130,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,895 : 223,415.10 = 94,827 : x
  2. Step 2: Convert to fraction form
    161,895/223,415.10 = 94,827/x
  3. Step 3: Cross multiply
    161,895x = 223,415.10 × 94,827
  4. Step 4: Simplify right side
    161,895x = 21,185,783,687.70
  5. Step 5: Solve for x
    x = 21,185,783,687.70/161,895
  6. Step 6: Final answer
    x = 130,861.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.