Home / 205,865.74-284,094.30-115,221.34

Finding the Fourth Proportional to 205,865.74, 284,094.30 and 115,221.34

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Solution

The fourth proportional to 205,865.74, 284,094.30 and 115,221.34 is: 159,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,865.74 : 284,094.30 = 115,221.34 : x
  2. Step 2: Convert to fraction form
    205,865.74/284,094.30 = 115,221.34/x
  3. Step 3: Cross multiply
    205,865.74x = 284,094.30 × 115,221.34
  4. Step 4: Simplify right side
    205,865.74x = 32,733,725,932.36
  5. Step 5: Solve for x
    x = 32,733,725,932.36/205,865.74
  6. Step 6: Final answer
    x = 159,005.21

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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.