Home / 215,856.36-297,882.90-120,367.08

Finding the Fourth Proportional to 215,856.36, 297,882.90 and 120,367.08

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Solution

The fourth proportional to 215,856.36, 297,882.90 and 120,367.08 is: 166,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,856.36 : 297,882.90 = 120,367.08 : x
  2. Step 2: Convert to fraction form
    215,856.36/297,882.90 = 120,367.08/x
  3. Step 3: Cross multiply
    215,856.36x = 297,882.90 × 120,367.08
  4. Step 4: Simplify right side
    215,856.36x = 35,855,294,854.93
  5. Step 5: Solve for x
    x = 35,855,294,854.93/215,856.36
  6. Step 6: Final answer
    x = 166,107.20

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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.