Home / 181,955.75-272,950.07-69,631.43

Finding the Fourth Proportional to 181,955.75, 272,950.07 and 69,631.43

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Solution

The fourth proportional to 181,955.75, 272,950.07 and 69,631.43 is: 104,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,955.75 : 272,950.07 = 69,631.43 : x
  2. Step 2: Convert to fraction form
    181,955.75/272,950.07 = 69,631.43/x
  3. Step 3: Cross multiply
    181,955.75x = 272,950.07 × 69,631.43
  4. Step 4: Simplify right side
    181,955.75x = 19,005,901,979.79
  5. Step 5: Solve for x
    x = 19,005,901,979.79/181,955.75
  6. Step 6: Final answer
    x = 104,453.43

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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.