Home / 165,785.33-248,483.21-76,851.65

Finding the Fourth Proportional to 165,785.33, 248,483.21 and 76,851.65

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Solution

The fourth proportional to 165,785.33, 248,483.21 and 76,851.65 is: 115,187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,785.33 : 248,483.21 = 76,851.65 : x
  2. Step 2: Convert to fraction form
    165,785.33/248,483.21 = 76,851.65/x
  3. Step 3: Cross multiply
    165,785.33x = 248,483.21 × 76,851.65
  4. Step 4: Simplify right side
    165,785.33x = 19,096,343,059.12
  5. Step 5: Solve for x
    x = 19,096,343,059.12/165,785.33
  6. Step 6: Final answer
    x = 115,187.17

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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.