Home / 217,285.42-299,854.54-120,496.08

Finding the Fourth Proportional to 217,285.42, 299,854.54 and 120,496.08

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Solution

The fourth proportional to 217,285.42, 299,854.54 and 120,496.08 is: 166,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,285.42 : 299,854.54 = 120,496.08 : x
  2. Step 2: Convert to fraction form
    217,285.42/299,854.54 = 120,496.08/x
  3. Step 3: Cross multiply
    217,285.42x = 299,854.54 × 120,496.08
  4. Step 4: Simplify right side
    217,285.42x = 36,131,296,640.20
  5. Step 5: Solve for x
    x = 36,131,296,640.20/217,285.42
  6. Step 6: Final answer
    x = 166,284.96

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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.