Home / 181,782.71-272,556.89-87,010.58

Finding the Fourth Proportional to 181,782.71, 272,556.89 and 87,010.58

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Solution

The fourth proportional to 181,782.71, 272,556.89 and 87,010.58 is: 130,459.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,782.71 : 272,556.89 = 87,010.58 : x
  2. Step 2: Convert to fraction form
    181,782.71/272,556.89 = 87,010.58/x
  3. Step 3: Cross multiply
    181,782.71x = 272,556.89 × 87,010.58
  4. Step 4: Simplify right side
    181,782.71x = 23,715,331,284.06
  5. Step 5: Solve for x
    x = 23,715,331,284.06/181,782.71
  6. Step 6: Final answer
    x = 130,459.78

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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.