Home / 177,784.90-266,677.60-72,603.86

Finding the Fourth Proportional to 177,784.90, 266,677.60 and 72,603.86

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Solution

The fourth proportional to 177,784.90, 266,677.60 and 72,603.86 is: 108,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,784.90 : 266,677.60 = 72,603.86 : x
  2. Step 2: Convert to fraction form
    177,784.90/266,677.60 = 72,603.86/x
  3. Step 3: Cross multiply
    177,784.90x = 266,677.60 × 72,603.86
  4. Step 4: Simplify right side
    177,784.90x = 19,361,823,135.54
  5. Step 5: Solve for x
    x = 19,361,823,135.54/177,784.90
  6. Step 6: Final answer
    x = 108,905.89

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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.