Home / 215,146.15-296,897.47-119,650.79

Finding the Fourth Proportional to 215,146.15, 296,897.47 and 119,650.79

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Solution

The fourth proportional to 215,146.15, 296,897.47 and 119,650.79 is: 165,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,146.15 : 296,897.47 = 119,650.79 : x
  2. Step 2: Convert to fraction form
    215,146.15/296,897.47 = 119,650.79/x
  3. Step 3: Cross multiply
    215,146.15x = 296,897.47 × 119,650.79
  4. Step 4: Simplify right side
    215,146.15x = 35,524,017,277.62
  5. Step 5: Solve for x
    x = 35,524,017,277.62/215,146.15
  6. Step 6: Final answer
    x = 165,115.75

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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.