Home / 114,454.12-171,654.94-31,354.60

Finding the Fourth Proportional to 114,454.12, 171,654.94 and 31,354.60

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Solution

The fourth proportional to 114,454.12, 171,654.94 and 31,354.60 is: 47,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,454.12 : 171,654.94 = 31,354.60 : x
  2. Step 2: Convert to fraction form
    114,454.12/171,654.94 = 31,354.60/x
  3. Step 3: Cross multiply
    114,454.12x = 171,654.94 × 31,354.60
  4. Step 4: Simplify right side
    114,454.12x = 5,382,171,981.72
  5. Step 5: Solve for x
    x = 5,382,171,981.72/114,454.12
  6. Step 6: Final answer
    x = 47,024.71

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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.