Home / 181,929.90-272,924.01-76,764.36

Finding the Fourth Proportional to 181,929.90, 272,924.01 and 76,764.36

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Solution

The fourth proportional to 181,929.90, 272,924.01 and 76,764.36 is: 115,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,929.90 : 272,924.01 = 76,764.36 : x
  2. Step 2: Convert to fraction form
    181,929.90/272,924.01 = 76,764.36/x
  3. Step 3: Cross multiply
    181,929.90x = 272,924.01 × 76,764.36
  4. Step 4: Simplify right side
    181,929.90x = 20,950,836,956.28
  5. Step 5: Solve for x
    x = 20,950,836,956.28/181,929.90
  6. Step 6: Final answer
    x = 115,158.84

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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.