Home / 248,283.28-342,638.67-140,857.84

Finding the Fourth Proportional to 248,283.28, 342,638.67 and 140,857.84

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Solution

The fourth proportional to 248,283.28, 342,638.67 and 140,857.84 is: 194,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,283.28 : 342,638.67 = 140,857.84 : x
  2. Step 2: Convert to fraction form
    248,283.28/342,638.67 = 140,857.84/x
  3. Step 3: Cross multiply
    248,283.28x = 342,638.67 × 140,857.84
  4. Step 4: Simplify right side
    248,283.28x = 48,263,342,956.67
  5. Step 5: Solve for x
    x = 48,263,342,956.67/248,283.28
  6. Step 6: Final answer
    x = 194,388.21

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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.