Home / 192,972.71-266,204.37-131,672.93

Finding the Fourth Proportional to 192,972.71, 266,204.37 and 131,672.93

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Solution

The fourth proportional to 192,972.71, 266,204.37 and 131,672.93 is: 181,641.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,972.71 : 266,204.37 = 131,672.93 : x
  2. Step 2: Convert to fraction form
    192,972.71/266,204.37 = 131,672.93/x
  3. Step 3: Cross multiply
    192,972.71x = 266,204.37 × 131,672.93
  4. Step 4: Simplify right side
    192,972.71x = 35,051,908,539.46
  5. Step 5: Solve for x
    x = 35,051,908,539.46/192,972.71
  6. Step 6: Final answer
    x = 181,641.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.