Home / 181,812.24-272,759.67-55,463.78

Finding the Fourth Proportional to 181,812.24, 272,759.67 and 55,463.78

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Solution

The fourth proportional to 181,812.24, 272,759.67 and 55,463.78 is: 83,208.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,812.24 : 272,759.67 = 55,463.78 : x
  2. Step 2: Convert to fraction form
    181,812.24/272,759.67 = 55,463.78/x
  3. Step 3: Cross multiply
    181,812.24x = 272,759.67 × 55,463.78
  4. Step 4: Simplify right side
    181,812.24x = 15,128,283,011.65
  5. Step 5: Solve for x
    x = 15,128,283,011.65/181,812.24
  6. Step 6: Final answer
    x = 83,208.28

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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.