Home / 136,142.82-204,214.20-56,179.62

Finding the Fourth Proportional to 136,142.82, 204,214.20 and 56,179.62

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Solution

The fourth proportional to 136,142.82, 204,214.20 and 56,179.62 is: 84,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,142.82 : 204,214.20 = 56,179.62 : x
  2. Step 2: Convert to fraction form
    136,142.82/204,214.20 = 56,179.62/x
  3. Step 3: Cross multiply
    136,142.82x = 204,214.20 × 56,179.62
  4. Step 4: Simplify right side
    136,142.82x = 11,472,676,154.60
  5. Step 5: Solve for x
    x = 11,472,676,154.60/136,142.82
  6. Step 6: Final answer
    x = 84,269.42

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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.