Home / 114,811.47-172,216.78-30,571.64

Finding the Fourth Proportional to 114,811.47, 172,216.78 and 30,571.64

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Solution

The fourth proportional to 114,811.47, 172,216.78 and 30,571.64 is: 45,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,811.47 : 172,216.78 = 30,571.64 : x
  2. Step 2: Convert to fraction form
    114,811.47/172,216.78 = 30,571.64/x
  3. Step 3: Cross multiply
    114,811.47x = 172,216.78 × 30,571.64
  4. Step 4: Simplify right side
    114,811.47x = 5,264,948,462.61
  5. Step 5: Solve for x
    x = 5,264,948,462.61/114,811.47
  6. Step 6: Final answer
    x = 45,857.34

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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.