Home / 177,918.90-267,029.55-72,813.30

Finding the Fourth Proportional to 177,918.90, 267,029.55 and 72,813.30

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Solution

The fourth proportional to 177,918.90, 267,029.55 and 72,813.30 is: 109,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,918.90 : 267,029.55 = 72,813.30 : x
  2. Step 2: Convert to fraction form
    177,918.90/267,029.55 = 72,813.30/x
  3. Step 3: Cross multiply
    177,918.90x = 267,029.55 × 72,813.30
  4. Step 4: Simplify right side
    177,918.90x = 19,443,302,733.02
  5. Step 5: Solve for x
    x = 19,443,302,733.02/177,918.90
  6. Step 6: Final answer
    x = 109,281.83

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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.