Home / 181,048.47-271,556.75-81,181.86

Finding the Fourth Proportional to 181,048.47, 271,556.75 and 81,181.86

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Solution

The fourth proportional to 181,048.47, 271,556.75 and 81,181.86 is: 121,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,048.47 : 271,556.75 = 81,181.86 : x
  2. Step 2: Convert to fraction form
    181,048.47/271,556.75 = 81,181.86/x
  3. Step 3: Cross multiply
    181,048.47x = 271,556.75 × 81,181.86
  4. Step 4: Simplify right side
    181,048.47x = 22,045,482,263.51
  5. Step 5: Solve for x
    x = 22,045,482,263.51/181,048.47
  6. Step 6: Final answer
    x = 121,765.64

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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.