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Finding the Fourth Proportional to 104,482.12, 156,734.12 and 34,366.90

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Solution

The fourth proportional to 104,482.12, 156,734.12 and 34,366.90 is: 51,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,482.12 : 156,734.12 = 34,366.90 : x
  2. Step 2: Convert to fraction form
    104,482.12/156,734.12 = 34,366.90/x
  3. Step 3: Cross multiply
    104,482.12x = 156,734.12 × 34,366.90
  4. Step 4: Simplify right side
    104,482.12x = 5,386,465,828.63
  5. Step 5: Solve for x
    x = 5,386,465,828.63/104,482.12
  6. Step 6: Final answer
    x = 51,553.95

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Why These Related Problems?

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