Home / 114,871.91-172,316.08-30,631.63

Finding the Fourth Proportional to 114,871.91, 172,316.08 and 30,631.63

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Solution

The fourth proportional to 114,871.91, 172,316.08 and 30,631.63 is: 45,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,871.91 : 172,316.08 = 30,631.63 : x
  2. Step 2: Convert to fraction form
    114,871.91/172,316.08 = 30,631.63/x
  3. Step 3: Cross multiply
    114,871.91x = 172,316.08 × 30,631.63
  4. Step 4: Simplify right side
    114,871.91x = 5,278,321,544.03
  5. Step 5: Solve for x
    x = 5,278,321,544.03/114,871.91
  6. Step 6: Final answer
    x = 45,949.63

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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.