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Finding the Fourth Proportional to 117,103.14, 161,602.82 and 63,388.13

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Solution

The fourth proportional to 117,103.14, 161,602.82 and 63,388.13 is: 87,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,103.14 : 161,602.82 = 63,388.13 : x
  2. Step 2: Convert to fraction form
    117,103.14/161,602.82 = 63,388.13/x
  3. Step 3: Cross multiply
    117,103.14x = 161,602.82 × 63,388.13
  4. Step 4: Simplify right side
    117,103.14x = 10,243,699,437.57
  5. Step 5: Solve for x
    x = 10,243,699,437.57/117,103.14
  6. Step 6: Final answer
    x = 87,475.87

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