Home / 177,784.66-266,677.26-72,603.64

Finding the Fourth Proportional to 177,784.66, 266,677.26 and 72,603.64

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Solution

The fourth proportional to 177,784.66, 266,677.26 and 72,603.64 is: 108,905.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,784.66 : 266,677.26 = 72,603.64 : x
  2. Step 2: Convert to fraction form
    177,784.66/266,677.26 = 72,603.64/x
  3. Step 3: Cross multiply
    177,784.66x = 266,677.26 × 72,603.64
  4. Step 4: Simplify right side
    177,784.66x = 19,361,739,781.23
  5. Step 5: Solve for x
    x = 19,361,739,781.23/177,784.66
  6. Step 6: Final answer
    x = 108,905.57

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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.