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Finding the Fourth Proportional to 231,050, 318,849.96 and 125,066

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Solution

The fourth proportional to 231,050, 318,849.96 and 125,066 is: 172,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,050 : 318,849.96 = 125,066 : x
  2. Step 2: Convert to fraction form
    231,050/318,849.96 = 125,066/x
  3. Step 3: Cross multiply
    231,050x = 318,849.96 × 125,066
  4. Step 4: Simplify right side
    231,050x = 39,877,289,097.36
  5. Step 5: Solve for x
    x = 39,877,289,097.36/231,050
  6. Step 6: Final answer
    x = 172,591.60

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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.