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Finding the Fourth Proportional to 103,660.17, 143,062.64 and 58,349.17

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Solution

The fourth proportional to 103,660.17, 143,062.64 and 58,349.17 is: 80,528.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,660.17 : 143,062.64 = 58,349.17 : x
  2. Step 2: Convert to fraction form
    103,660.17/143,062.64 = 58,349.17/x
  3. Step 3: Cross multiply
    103,660.17x = 143,062.64 × 58,349.17
  4. Step 4: Simplify right side
    103,660.17x = 8,347,586,302.01
  5. Step 5: Solve for x
    x = 8,347,586,302.01/103,660.17
  6. Step 6: Final answer
    x = 80,528.39

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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.