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Finding the Fourth Proportional to 134,699.85, 185,930.84 and 80,269.10

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Solution

The fourth proportional to 134,699.85, 185,930.84 and 80,269.10 is: 110,798.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,699.85 : 185,930.84 = 80,269.10 : x
  2. Step 2: Convert to fraction form
    134,699.85/185,930.84 = 80,269.10/x
  3. Step 3: Cross multiply
    134,699.85x = 185,930.84 × 80,269.10
  4. Step 4: Simplify right side
    134,699.85x = 14,924,499,858.04
  5. Step 5: Solve for x
    x = 14,924,499,858.04/134,699.85
  6. Step 6: Final answer
    x = 110,798.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.