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Finding the Fourth Proportional to 112,640.50, 168,895.14 and 49,458.10

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Solution

The fourth proportional to 112,640.50, 168,895.14 and 49,458.10 is: 74,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,640.50 : 168,895.14 = 49,458.10 : x
  2. Step 2: Convert to fraction form
    112,640.50/168,895.14 = 49,458.10/x
  3. Step 3: Cross multiply
    112,640.50x = 168,895.14 × 49,458.10
  4. Step 4: Simplify right side
    112,640.50x = 8,353,232,723.63
  5. Step 5: Solve for x
    x = 8,353,232,723.63/112,640.50
  6. Step 6: Final answer
    x = 74,158.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.