Home / 215,703.30-297,673.47-120,206.73

Finding the Fourth Proportional to 215,703.30, 297,673.47 and 120,206.73

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Solution

The fourth proportional to 215,703.30, 297,673.47 and 120,206.73 is: 165,886.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,703.30 : 297,673.47 = 120,206.73 : x
  2. Step 2: Convert to fraction form
    215,703.30/297,673.47 = 120,206.73/x
  3. Step 3: Cross multiply
    215,703.30x = 297,673.47 × 120,206.73
  4. Step 4: Simplify right side
    215,703.30x = 35,782,354,436.45
  5. Step 5: Solve for x
    x = 35,782,354,436.45/215,703.30
  6. Step 6: Final answer
    x = 165,886.91

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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.