Home / 281,044.12-387,762.78-167,825.56

Finding the Fourth Proportional to 281,044.12, 387,762.78 and 167,825.56

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Solution

The fourth proportional to 281,044.12, 387,762.78 and 167,825.56 is: 231,552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,044.12 : 387,762.78 = 167,825.56 : x
  2. Step 2: Convert to fraction form
    281,044.12/387,762.78 = 167,825.56/x
  3. Step 3: Cross multiply
    281,044.12x = 387,762.78 × 167,825.56
  4. Step 4: Simplify right side
    281,044.12x = 65,076,505,700.66
  5. Step 5: Solve for x
    x = 65,076,505,700.66/281,044.12
  6. Step 6: Final answer
    x = 231,552.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.