Home / 177,784.38-266,676.83-72,603.35

Finding the Fourth Proportional to 177,784.38, 266,676.83 and 72,603.35

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Solution

The fourth proportional to 177,784.38, 266,676.83 and 72,603.35 is: 108,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,784.38 : 266,676.83 = 72,603.35 : x
  2. Step 2: Convert to fraction form
    177,784.38/266,676.83 = 72,603.35/x
  3. Step 3: Cross multiply
    177,784.38x = 266,676.83 × 72,603.35
  4. Step 4: Simplify right side
    177,784.38x = 19,361,632,073.58
  5. Step 5: Solve for x
    x = 19,361,632,073.58/177,784.38
  6. Step 6: Final answer
    x = 108,905.14

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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.