Home / 211,471.08-291,833.84-115,976.92

Finding the Fourth Proportional to 211,471.08, 291,833.84 and 115,976.92

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Solution

The fourth proportional to 211,471.08, 291,833.84 and 115,976.92 is: 160,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,471.08 : 291,833.84 = 115,976.92 : x
  2. Step 2: Convert to fraction form
    211,471.08/291,833.84 = 115,976.92/x
  3. Step 3: Cross multiply
    211,471.08x = 291,833.84 × 115,976.92
  4. Step 4: Simplify right side
    211,471.08x = 33,845,989,914.97
  5. Step 5: Solve for x
    x = 33,845,989,914.97/211,471.08
  6. Step 6: Final answer
    x = 160,050.21

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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.