Home / 217,433.94-300,029.85-120,636.24

Finding the Fourth Proportional to 217,433.94, 300,029.85 and 120,636.24

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Solution

The fourth proportional to 217,433.94, 300,029.85 and 120,636.24 is: 166,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,433.94 : 300,029.85 = 120,636.24 : x
  2. Step 2: Convert to fraction form
    217,433.94/300,029.85 = 120,636.24/x
  3. Step 3: Cross multiply
    217,433.94x = 300,029.85 × 120,636.24
  4. Step 4: Simplify right side
    217,433.94x = 36,194,472,991.76
  5. Step 5: Solve for x
    x = 36,194,472,991.76/217,433.94
  6. Step 6: Final answer
    x = 166,461.93

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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.