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Finding the Fourth Proportional to 201,241.80, 301,862.70 and 125,134.20

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Solution

The fourth proportional to 201,241.80, 301,862.70 and 125,134.20 is: 187,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,241.80 : 301,862.70 = 125,134.20 : x
  2. Step 2: Convert to fraction form
    201,241.80/301,862.70 = 125,134.20/x
  3. Step 3: Cross multiply
    201,241.80x = 301,862.70 × 125,134.20
  4. Step 4: Simplify right side
    201,241.80x = 37,773,347,474.34
  5. Step 5: Solve for x
    x = 37,773,347,474.34/201,241.80
  6. Step 6: Final answer
    x = 187,701.30

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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.