Home / 178,345.90-267,606.51-71,725.60

Finding the Fourth Proportional to 178,345.90, 267,606.51 and 71,725.60

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Solution

The fourth proportional to 178,345.90, 267,606.51 and 71,725.60 is: 107,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,345.90 : 267,606.51 = 71,725.60 : x
  2. Step 2: Convert to fraction form
    178,345.90/267,606.51 = 71,725.60/x
  3. Step 3: Cross multiply
    178,345.90x = 267,606.51 × 71,725.60
  4. Step 4: Simplify right side
    178,345.90x = 19,194,237,493.66
  5. Step 5: Solve for x
    x = 19,194,237,493.66/178,345.90
  6. Step 6: Final answer
    x = 107,623.65

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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.