Home / 215,084.77-296,890.82-130,201.86

Finding the Fourth Proportional to 215,084.77, 296,890.82 and 130,201.86

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Solution

The fourth proportional to 215,084.77, 296,890.82 and 130,201.86 is: 179,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,084.77 : 296,890.82 = 130,201.86 : x
  2. Step 2: Convert to fraction form
    215,084.77/296,890.82 = 130,201.86/x
  3. Step 3: Cross multiply
    215,084.77x = 296,890.82 × 130,201.86
  4. Step 4: Simplify right side
    215,084.77x = 38,655,736,980.93
  5. Step 5: Solve for x
    x = 38,655,736,980.93/215,084.77
  6. Step 6: Final answer
    x = 179,723.26

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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.