Home / 215,122.16-296,864.52-119,628.02

Finding the Fourth Proportional to 215,122.16, 296,864.52 and 119,628.02

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Solution

The fourth proportional to 215,122.16, 296,864.52 and 119,628.02 is: 165,084.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,122.16 : 296,864.52 = 119,628.02 : x
  2. Step 2: Convert to fraction form
    215,122.16/296,864.52 = 119,628.02/x
  3. Step 3: Cross multiply
    215,122.16x = 296,864.52 × 119,628.02
  4. Step 4: Simplify right side
    215,122.16x = 35,513,314,735.85
  5. Step 5: Solve for x
    x = 35,513,314,735.85/215,122.16
  6. Step 6: Final answer
    x = 165,084.41

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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.