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Finding the Fourth Proportional to 100,960.10, 139,323.03 and 58,522.58

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Solution

The fourth proportional to 100,960.10, 139,323.03 and 58,522.58 is: 80,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,960.10 : 139,323.03 = 58,522.58 : x
  2. Step 2: Convert to fraction form
    100,960.10/139,323.03 = 58,522.58/x
  3. Step 3: Cross multiply
    100,960.10x = 139,323.03 × 58,522.58
  4. Step 4: Simplify right side
    100,960.10x = 8,153,543,169.02
  5. Step 5: Solve for x
    x = 8,153,543,169.02/100,960.10
  6. Step 6: Final answer
    x = 80,760.05

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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.