Home / 177,990.08-266,838.77-83,173.37

Finding the Fourth Proportional to 177,990.08, 266,838.77 and 83,173.37

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Solution

The fourth proportional to 177,990.08, 266,838.77 and 83,173.37 is: 124,691.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,990.08 : 266,838.77 = 83,173.37 : x
  2. Step 2: Convert to fraction form
    177,990.08/266,838.77 = 83,173.37/x
  3. Step 3: Cross multiply
    177,990.08x = 266,838.77 × 83,173.37
  4. Step 4: Simplify right side
    177,990.08x = 22,193,877,997.49
  5. Step 5: Solve for x
    x = 22,193,877,997.49/177,990.08
  6. Step 6: Final answer
    x = 124,691.66

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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.