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Finding the Fourth Proportional to 119,613.20, 179,218.20 and 94,557.20

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Solution

The fourth proportional to 119,613.20, 179,218.20 and 94,557.20 is: 141,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,613.20 : 179,218.20 = 94,557.20 : x
  2. Step 2: Convert to fraction form
    119,613.20/179,218.20 = 94,557.20/x
  3. Step 3: Cross multiply
    119,613.20x = 179,218.20 × 94,557.20
  4. Step 4: Simplify right side
    119,613.20x = 16,946,371,181.04
  5. Step 5: Solve for x
    x = 16,946,371,181.04/119,613.20
  6. Step 6: Final answer
    x = 141,676.43

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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.