Home / 215,148.78-296,901.09-119,653.43

Finding the Fourth Proportional to 215,148.78, 296,901.09 and 119,653.43

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Solution

The fourth proportional to 215,148.78, 296,901.09 and 119,653.43 is: 165,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,148.78 : 296,901.09 = 119,653.43 : x
  2. Step 2: Convert to fraction form
    215,148.78/296,901.09 = 119,653.43/x
  3. Step 3: Cross multiply
    215,148.78x = 296,901.09 × 119,653.43
  4. Step 4: Simplify right side
    215,148.78x = 35,525,232,304.73
  5. Step 5: Solve for x
    x = 35,525,232,304.73/215,148.78
  6. Step 6: Final answer
    x = 165,119.38

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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.