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Finding the Fourth Proportional to 133,435.01, 200,094.17 and 39,918.89

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Solution

The fourth proportional to 133,435.01, 200,094.17 and 39,918.89 is: 59,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,435.01 : 200,094.17 = 39,918.89 : x
  2. Step 2: Convert to fraction form
    133,435.01/200,094.17 = 39,918.89/x
  3. Step 3: Cross multiply
    133,435.01x = 200,094.17 × 39,918.89
  4. Step 4: Simplify right side
    133,435.01x = 7,987,537,462.51
  5. Step 5: Solve for x
    x = 7,987,537,462.51/133,435.01
  6. Step 6: Final answer
    x = 59,860.88

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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.