Home / 181,320.24-272,009.52-76,169.28

Finding the Fourth Proportional to 181,320.24, 272,009.52 and 76,169.28

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Solution

The fourth proportional to 181,320.24, 272,009.52 and 76,169.28 is: 114,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,320.24 : 272,009.52 = 76,169.28 : x
  2. Step 2: Convert to fraction form
    181,320.24/272,009.52 = 76,169.28/x
  3. Step 3: Cross multiply
    181,320.24x = 272,009.52 × 76,169.28
  4. Step 4: Simplify right side
    181,320.24x = 20,718,769,291.55
  5. Step 5: Solve for x
    x = 20,718,769,291.55/181,320.24
  6. Step 6: Final answer
    x = 114,266.17

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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.