Home / 136,400.81-204,631.74-41,639.42

Finding the Fourth Proportional to 136,400.81, 204,631.74 and 41,639.42

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Solution

The fourth proportional to 136,400.81, 204,631.74 and 41,639.42 is: 62,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,400.81 : 204,631.74 = 41,639.42 : x
  2. Step 2: Convert to fraction form
    136,400.81/204,631.74 = 41,639.42/x
  3. Step 3: Cross multiply
    136,400.81x = 204,631.74 × 41,639.42
  4. Step 4: Simplify right side
    136,400.81x = 8,520,745,944.03
  5. Step 5: Solve for x
    x = 8,520,745,944.03/136,400.81
  6. Step 6: Final answer
    x = 62,468.44

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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.