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Finding the Fourth Proportional to 133,866.07, 200,860.40 and 57,987.81

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Solution

The fourth proportional to 133,866.07, 200,860.40 and 57,987.81 is: 87,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,866.07 : 200,860.40 = 57,987.81 : x
  2. Step 2: Convert to fraction form
    133,866.07/200,860.40 = 57,987.81/x
  3. Step 3: Cross multiply
    133,866.07x = 200,860.40 × 57,987.81
  4. Step 4: Simplify right side
    133,866.07x = 11,647,454,421.78
  5. Step 5: Solve for x
    x = 11,647,454,421.78/133,866.07
  6. Step 6: Final answer
    x = 87,008.26

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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.