Home / 248,107.79-342,381.44-140,687.63

Finding the Fourth Proportional to 248,107.79, 342,381.44 and 140,687.63

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Solution

The fourth proportional to 248,107.79, 342,381.44 and 140,687.63 is: 194,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,107.79 : 342,381.44 = 140,687.63 : x
  2. Step 2: Convert to fraction form
    248,107.79/342,381.44 = 140,687.63/x
  3. Step 3: Cross multiply
    248,107.79x = 342,381.44 × 140,687.63
  4. Step 4: Simplify right side
    248,107.79x = 48,168,832,646.15
  5. Step 5: Solve for x
    x = 48,168,832,646.15/248,107.79
  6. Step 6: Final answer
    x = 194,144.78

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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.