Home / 248,319.94-342,670.89-135,142.42

Finding the Fourth Proportional to 248,319.94, 342,670.89 and 135,142.42

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Solution

The fourth proportional to 248,319.94, 342,670.89 and 135,142.42 is: 186,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,319.94 : 342,670.89 = 135,142.42 : x
  2. Step 2: Convert to fraction form
    248,319.94/342,670.89 = 135,142.42/x
  3. Step 3: Cross multiply
    248,319.94x = 342,670.89 × 135,142.42
  4. Step 4: Simplify right side
    248,319.94x = 46,309,373,338.15
  5. Step 5: Solve for x
    x = 46,309,373,338.15/248,319.94
  6. Step 6: Final answer
    x = 186,490.76

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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.