Home / 257,181.46-354,898.08-142,452.36

Finding the Fourth Proportional to 257,181.46, 354,898.08 and 142,452.36

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Solution

The fourth proportional to 257,181.46, 354,898.08 and 142,452.36 is: 196,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,181.46 : 354,898.08 = 142,452.36 : x
  2. Step 2: Convert to fraction form
    257,181.46/354,898.08 = 142,452.36/x
  3. Step 3: Cross multiply
    257,181.46x = 354,898.08 × 142,452.36
  4. Step 4: Simplify right side
    257,181.46x = 50,556,069,055.47
  5. Step 5: Solve for x
    x = 50,556,069,055.47/257,181.46
  6. Step 6: Final answer
    x = 196,577.43

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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.