Home / 178,589.48-267,830.75-71,939.21

Finding the Fourth Proportional to 178,589.48, 267,830.75 and 71,939.21

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Solution

The fourth proportional to 178,589.48, 267,830.75 and 71,939.21 is: 107,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,589.48 : 267,830.75 = 71,939.21 : x
  2. Step 2: Convert to fraction form
    178,589.48/267,830.75 = 71,939.21/x
  3. Step 3: Cross multiply
    178,589.48x = 267,830.75 × 71,939.21
  4. Step 4: Simplify right side
    178,589.48x = 19,267,531,409.40
  5. Step 5: Solve for x
    x = 19,267,531,409.40/178,589.48
  6. Step 6: Final answer
    x = 107,887.27

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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.