Home / 248,107.28-342,466.02-140,748.68

Finding the Fourth Proportional to 248,107.28, 342,466.02 and 140,748.68

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Solution

The fourth proportional to 248,107.28, 342,466.02 and 140,748.68 is: 194,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,107.28 : 342,466.02 = 140,748.68 : x
  2. Step 2: Convert to fraction form
    248,107.28/342,466.02 = 140,748.68/x
  3. Step 3: Cross multiply
    248,107.28x = 342,466.02 × 140,748.68
  4. Step 4: Simplify right side
    248,107.28x = 48,201,640,259.85
  5. Step 5: Solve for x
    x = 48,201,640,259.85/248,107.28
  6. Step 6: Final answer
    x = 194,277.41

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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.