Home / 248,375.40-342,748.50-140,939.04

Finding the Fourth Proportional to 248,375.40, 342,748.50 and 140,939.04

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Solution

The fourth proportional to 248,375.40, 342,748.50 and 140,939.04 is: 194,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,375.40 : 342,748.50 = 140,939.04 : x
  2. Step 2: Convert to fraction form
    248,375.40/342,748.50 = 140,939.04/x
  3. Step 3: Cross multiply
    248,375.40x = 342,748.50 × 140,939.04
  4. Step 4: Simplify right side
    248,375.40x = 48,306,644,551.44
  5. Step 5: Solve for x
    x = 48,306,644,551.44/248,375.40
  6. Step 6: Final answer
    x = 194,490.45

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1.5x scale

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.