Home / 215,154.16-296,908.52-119,658.80

Finding the Fourth Proportional to 215,154.16, 296,908.52 and 119,658.80

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Solution

The fourth proportional to 215,154.16, 296,908.52 and 119,658.80 is: 165,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,154.16 : 296,908.52 = 119,658.80 : x
  2. Step 2: Convert to fraction form
    215,154.16/296,908.52 = 119,658.80/x
  3. Step 3: Cross multiply
    215,154.16x = 296,908.52 × 119,658.80
  4. Step 4: Simplify right side
    215,154.16x = 35,527,717,212.98
  5. Step 5: Solve for x
    x = 35,527,717,212.98/215,154.16
  6. Step 6: Final answer
    x = 165,126.80

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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.