Home / 231,930.12-347,889.69-74,159.94

Finding the Fourth Proportional to 231,930.12, 347,889.69 and 74,159.94

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Solution

The fourth proportional to 231,930.12, 347,889.69 and 74,159.94 is: 111,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,930.12 : 347,889.69 = 74,159.94 : x
  2. Step 2: Convert to fraction form
    231,930.12/347,889.69 = 74,159.94/x
  3. Step 3: Cross multiply
    231,930.12x = 347,889.69 × 74,159.94
  4. Step 4: Simplify right side
    231,930.12x = 25,799,478,537.02
  5. Step 5: Solve for x
    x = 25,799,478,537.02/231,930.12
  6. Step 6: Final answer
    x = 111,238.15

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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.