Home / 177,784.40-266,676.85-72,603.36

Finding the Fourth Proportional to 177,784.40, 266,676.85 and 72,603.36

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Solution

The fourth proportional to 177,784.40, 266,676.85 and 72,603.36 is: 108,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,784.40 : 266,676.85 = 72,603.36 : x
  2. Step 2: Convert to fraction form
    177,784.40/266,676.85 = 72,603.36/x
  3. Step 3: Cross multiply
    177,784.40x = 266,676.85 × 72,603.36
  4. Step 4: Simplify right side
    177,784.40x = 19,361,635,162.71
  5. Step 5: Solve for x
    x = 19,361,635,162.71/177,784.40
  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.