Home / 215,014.91-322,530.56-109,710.86

Finding the Fourth Proportional to 215,014.91, 322,530.56 and 109,710.86

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Solution

The fourth proportional to 215,014.91, 322,530.56 and 109,710.86 is: 164,570.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,014.91 : 322,530.56 = 109,710.86 : x
  2. Step 2: Convert to fraction form
    215,014.91/322,530.56 = 109,710.86/x
  3. Step 3: Cross multiply
    215,014.91x = 322,530.56 × 109,710.86
  4. Step 4: Simplify right side
    215,014.91x = 35,385,103,364.09
  5. Step 5: Solve for x
    x = 35,385,103,364.09/215,014.91
  6. Step 6: Final answer
    x = 164,570.47

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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.