Home / 214,918.40-296,495.41-134,205.79

Finding the Fourth Proportional to 214,918.40, 296,495.41 and 134,205.79

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Solution

The fourth proportional to 214,918.40, 296,495.41 and 134,205.79 is: 185,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,918.40 : 296,495.41 = 134,205.79 : x
  2. Step 2: Convert to fraction form
    214,918.40/296,495.41 = 134,205.79/x
  3. Step 3: Cross multiply
    214,918.40x = 296,495.41 × 134,205.79
  4. Step 4: Simplify right side
    214,918.40x = 39,791,400,730.42
  5. Step 5: Solve for x
    x = 39,791,400,730.42/214,918.40
  6. Step 6: Final answer
    x = 185,146.55

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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.