Home / 131,858.73-181,964.07-75,269.97

Finding the Fourth Proportional to 131,858.73, 181,964.07 and 75,269.97

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Solution

The fourth proportional to 131,858.73, 181,964.07 and 75,269.97 is: 103,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,858.73 : 181,964.07 = 75,269.97 : x
  2. Step 2: Convert to fraction form
    131,858.73/181,964.07 = 75,269.97/x
  3. Step 3: Cross multiply
    131,858.73x = 181,964.07 × 75,269.97
  4. Step 4: Simplify right side
    131,858.73x = 13,696,430,089.98
  5. Step 5: Solve for x
    x = 13,696,430,089.98/131,858.73
  6. Step 6: Final answer
    x = 103,872.00

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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.