Home / 217,835.96-326,774.09-84,726.32

Finding the Fourth Proportional to 217,835.96, 326,774.09 and 84,726.32

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Solution

The fourth proportional to 217,835.96, 326,774.09 and 84,726.32 is: 127,097.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,835.96 : 326,774.09 = 84,726.32 : x
  2. Step 2: Convert to fraction form
    217,835.96/326,774.09 = 84,726.32/x
  3. Step 3: Cross multiply
    217,835.96x = 326,774.09 × 84,726.32
  4. Step 4: Simplify right side
    217,835.96x = 27,686,364,694.99
  5. Step 5: Solve for x
    x = 27,686,364,694.99/217,835.96
  6. Step 6: Final answer
    x = 127,097.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.