Home / 204,971.64-307,026.87-130,053.21

Finding the Fourth Proportional to 204,971.64, 307,026.87 and 130,053.21

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Solution

The fourth proportional to 204,971.64, 307,026.87 and 130,053.21 is: 194,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,971.64 : 307,026.87 = 130,053.21 : x
  2. Step 2: Convert to fraction form
    204,971.64/307,026.87 = 130,053.21/x
  3. Step 3: Cross multiply
    204,971.64x = 307,026.87 × 130,053.21
  4. Step 4: Simplify right side
    204,971.64x = 39,929,829,999.75
  5. Step 5: Solve for x
    x = 39,929,829,999.75/204,971.64
  6. Step 6: Final answer
    x = 194,806.61

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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.