Home / 181,699.12-250,743-101,125.28

Finding the Fourth Proportional to 181,699.12, 250,743 and 101,125.28

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Solution

The fourth proportional to 181,699.12, 250,743 and 101,125.28 is: 139,551.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,699.12 : 250,743 = 101,125.28 : x
  2. Step 2: Convert to fraction form
    181,699.12/250,743 = 101,125.28/x
  3. Step 3: Cross multiply
    181,699.12x = 250,743 × 101,125.28
  4. Step 4: Simplify right side
    181,699.12x = 25,356,456,083.04
  5. Step 5: Solve for x
    x = 25,356,456,083.04/181,699.12
  6. Step 6: Final answer
    x = 139,551.89

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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.