Home / 215,021.04-296,685.72-125,579.76

Finding the Fourth Proportional to 215,021.04, 296,685.72 and 125,579.76

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Solution

The fourth proportional to 215,021.04, 296,685.72 and 125,579.76 is: 173,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,021.04 : 296,685.72 = 125,579.76 : x
  2. Step 2: Convert to fraction form
    215,021.04/296,685.72 = 125,579.76/x
  3. Step 3: Cross multiply
    215,021.04x = 296,685.72 × 125,579.76
  4. Step 4: Simplify right side
    215,021.04x = 37,257,721,513.03
  5. Step 5: Solve for x
    x = 37,257,721,513.03/215,021.04
  6. Step 6: Final answer
    x = 173,274.77

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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.