Home / 248,500.17-372,189.47-115,100.19

Finding the Fourth Proportional to 248,500.17, 372,189.47 and 115,100.19

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Solution

The fourth proportional to 248,500.17, 372,189.47 and 115,100.19 is: 172,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,500.17 : 372,189.47 = 115,100.19 : x
  2. Step 2: Convert to fraction form
    248,500.17/372,189.47 = 115,100.19/x
  3. Step 3: Cross multiply
    248,500.17x = 372,189.47 × 115,100.19
  4. Step 4: Simplify right side
    248,500.17x = 42,839,078,137.50
  5. Step 5: Solve for x
    x = 42,839,078,137.50/248,500.17
  6. Step 6: Final answer
    x = 172,390.54

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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.