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Finding the Fourth Proportional to 123,638.50, 170,621.22 and 67,050.10

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Solution

The fourth proportional to 123,638.50, 170,621.22 and 67,050.10 is: 92,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,638.50 : 170,621.22 = 67,050.10 : x
  2. Step 2: Convert to fraction form
    123,638.50/170,621.22 = 67,050.10/x
  3. Step 3: Cross multiply
    123,638.50x = 170,621.22 × 67,050.10
  4. Step 4: Simplify right side
    123,638.50x = 11,440,169,863.12
  5. Step 5: Solve for x
    x = 11,440,169,863.12/123,638.50
  6. Step 6: Final answer
    x = 92,529.19

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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.