Home / 214,919.40-296,496.79-134,206.79

Finding the Fourth Proportional to 214,919.40, 296,496.79 and 134,206.79

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Solution

The fourth proportional to 214,919.40, 296,496.79 and 134,206.79 is: 185,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,919.40 : 296,496.79 = 134,206.79 : x
  2. Step 2: Convert to fraction form
    214,919.40/296,496.79 = 134,206.79/x
  3. Step 3: Cross multiply
    214,919.40x = 296,496.79 × 134,206.79
  4. Step 4: Simplify right side
    214,919.40x = 39,791,882,431.20
  5. Step 5: Solve for x
    x = 39,791,882,431.20/214,919.40
  6. Step 6: Final answer
    x = 185,147.93

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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.