Home / 217,530.11-300,165.32-120,733.49

Finding the Fourth Proportional to 217,530.11, 300,165.32 and 120,733.49

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Solution

The fourth proportional to 217,530.11, 300,165.32 and 120,733.49 is: 166,597.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,530.11 : 300,165.32 = 120,733.49 : x
  2. Step 2: Convert to fraction form
    217,530.11/300,165.32 = 120,733.49/x
  3. Step 3: Cross multiply
    217,530.11x = 300,165.32 × 120,733.49
  4. Step 4: Simplify right side
    217,530.11x = 36,240,005,461.57
  5. Step 5: Solve for x
    x = 36,240,005,461.57/217,530.11
  6. Step 6: Final answer
    x = 166,597.66

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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.