Home / 91,207.44-136,812.72-41,289.36

Finding the Fourth Proportional to 91,207.44, 136,812.72 and 41,289.36

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Solution

The fourth proportional to 91,207.44, 136,812.72 and 41,289.36 is: 61,934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,207.44 : 136,812.72 = 41,289.36 : x
  2. Step 2: Convert to fraction form
    91,207.44/136,812.72 = 41,289.36/x
  3. Step 3: Cross multiply
    91,207.44x = 136,812.72 × 41,289.36
  4. Step 4: Simplify right side
    91,207.44x = 5,648,909,648.66
  5. Step 5: Solve for x
    x = 5,648,909,648.66/91,207.44
  6. Step 6: Final answer
    x = 61,934.75

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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.