Home / 178,725.47-267,918.90-66,329.37

Finding the Fourth Proportional to 178,725.47, 267,918.90 and 66,329.37

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Solution

The fourth proportional to 178,725.47, 267,918.90 and 66,329.37 is: 99,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,725.47 : 267,918.90 = 66,329.37 : x
  2. Step 2: Convert to fraction form
    178,725.47/267,918.90 = 66,329.37/x
  3. Step 3: Cross multiply
    178,725.47x = 267,918.90 × 66,329.37
  4. Step 4: Simplify right side
    178,725.47x = 17,770,891,848.09
  5. Step 5: Solve for x
    x = 17,770,891,848.09/178,725.47
  6. Step 6: Final answer
    x = 99,431.22

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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.