Home / 136,382.87-204,667.94-47,636.46

Finding the Fourth Proportional to 136,382.87, 204,667.94 and 47,636.46

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Solution

The fourth proportional to 136,382.87, 204,667.94 and 47,636.46 is: 71,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,382.87 : 204,667.94 = 47,636.46 : x
  2. Step 2: Convert to fraction form
    136,382.87/204,667.94 = 47,636.46/x
  3. Step 3: Cross multiply
    136,382.87x = 204,667.94 × 47,636.46
  4. Step 4: Simplify right side
    136,382.87x = 9,749,655,898.91
  5. Step 5: Solve for x
    x = 9,749,655,898.91/136,382.87
  6. Step 6: Final answer
    x = 71,487.40

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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.