Home / 115,310.66-172,951.67-31,077.41

Finding the Fourth Proportional to 115,310.66, 172,951.67 and 31,077.41

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Solution

The fourth proportional to 115,310.66, 172,951.67 and 31,077.41 is: 46,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,310.66 : 172,951.67 = 31,077.41 : x
  2. Step 2: Convert to fraction form
    115,310.66/172,951.67 = 31,077.41/x
  3. Step 3: Cross multiply
    115,310.66x = 172,951.67 × 31,077.41
  4. Step 4: Simplify right side
    115,310.66x = 5,374,888,938.63
  5. Step 5: Solve for x
    x = 5,374,888,938.63/115,310.66
  6. Step 6: Final answer
    x = 46,612.25

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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.