Home / 248,057.04-342,311.28-140,636.88

Finding the Fourth Proportional to 248,057.04, 342,311.28 and 140,636.88

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Solution

The fourth proportional to 248,057.04, 342,311.28 and 140,636.88 is: 194,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,057.04 : 342,311.28 = 140,636.88 : x
  2. Step 2: Convert to fraction form
    248,057.04/342,311.28 = 140,636.88/x
  3. Step 3: Cross multiply
    248,057.04x = 342,311.28 × 140,636.88
  4. Step 4: Simplify right side
    248,057.04x = 48,141,590,408.01
  5. Step 5: Solve for x
    x = 48,141,590,408.01/248,057.04
  6. Step 6: Final answer
    x = 194,074.68

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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.