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Finding the Fourth Proportional to 248,114.50, 342,398.01 and 134,939.68

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Solution

The fourth proportional to 248,114.50, 342,398.01 and 134,939.68 is: 186,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,114.50 : 342,398.01 = 134,939.68 : x
  2. Step 2: Convert to fraction form
    248,114.50/342,398.01 = 134,939.68/x
  3. Step 3: Cross multiply
    248,114.50x = 342,398.01 × 134,939.68
  4. Step 4: Simplify right side
    248,114.50x = 46,203,077,902.04
  5. Step 5: Solve for x
    x = 46,203,077,902.04/248,114.50
  6. Step 6: Final answer
    x = 186,216.76

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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.