Home / 214,880.16-296,489.52-130,003.68

Finding the Fourth Proportional to 214,880.16, 296,489.52 and 130,003.68

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Solution

The fourth proportional to 214,880.16, 296,489.52 and 130,003.68 is: 179,377.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,880.16 : 296,489.52 = 130,003.68 : x
  2. Step 2: Convert to fraction form
    214,880.16/296,489.52 = 130,003.68/x
  3. Step 3: Cross multiply
    214,880.16x = 296,489.52 × 130,003.68
  4. Step 4: Simplify right side
    214,880.16x = 38,544,728,681.43
  5. Step 5: Solve for x
    x = 38,544,728,681.43/214,880.16
  6. Step 6: Final answer
    x = 179,377.79

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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.