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Finding the Fourth Proportional to 104,843.70, 156,958.35 and 92,555.70

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Solution

The fourth proportional to 104,843.70, 156,958.35 and 92,555.70 is: 138,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,843.70 : 156,958.35 = 92,555.70 : x
  2. Step 2: Convert to fraction form
    104,843.70/156,958.35 = 92,555.70/x
  3. Step 3: Cross multiply
    104,843.70x = 156,958.35 × 92,555.70
  4. Step 4: Simplify right side
    104,843.70x = 14,527,389,955.10
  5. Step 5: Solve for x
    x = 14,527,389,955.10/104,843.70
  6. Step 6: Final answer
    x = 138,562.35

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1.5x scale

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.