Home / 248,014.08-342,126.72-172,431.36

Finding the Fourth Proportional to 248,014.08, 342,126.72 and 172,431.36

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Solution

The fourth proportional to 248,014.08, 342,126.72 and 172,431.36 is: 237,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,014.08 : 342,126.72 = 172,431.36 : x
  2. Step 2: Convert to fraction form
    248,014.08/342,126.72 = 172,431.36/x
  3. Step 3: Cross multiply
    248,014.08x = 342,126.72 × 172,431.36
  4. Step 4: Simplify right side
    248,014.08x = 58,993,375,621.94
  5. Step 5: Solve for x
    x = 58,993,375,621.94/248,014.08
  6. Step 6: Final answer
    x = 237,863.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.