Home / 204,975.96-307,447.53-91,159.01

Finding the Fourth Proportional to 204,975.96, 307,447.53 and 91,159.01

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Solution

The fourth proportional to 204,975.96, 307,447.53 and 91,159.01 is: 136,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,975.96 : 307,447.53 = 91,159.01 : x
  2. Step 2: Convert to fraction form
    204,975.96/307,447.53 = 91,159.01/x
  3. Step 3: Cross multiply
    204,975.96x = 307,447.53 × 91,159.01
  4. Step 4: Simplify right side
    204,975.96x = 28,026,612,461.75
  5. Step 5: Solve for x
    x = 28,026,612,461.75/204,975.96
  6. Step 6: Final answer
    x = 136,731.22

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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.