Home / 248,000.40-371,791.56-107,653.32

Finding the Fourth Proportional to 248,000.40, 371,791.56 and 107,653.32

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Solution

The fourth proportional to 248,000.40, 371,791.56 and 107,653.32 is: 161,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,000.40 : 371,791.56 = 107,653.32 : x
  2. Step 2: Convert to fraction form
    248,000.40/371,791.56 = 107,653.32/x
  3. Step 3: Cross multiply
    248,000.40x = 371,791.56 × 107,653.32
  4. Step 4: Simplify right side
    248,000.40x = 40,024,595,781.98
  5. Step 5: Solve for x
    x = 40,024,595,781.98/248,000.40
  6. Step 6: Final answer
    x = 161,389.24

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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.