Home / 140,234.95-210,304.74-45,439.44

Finding the Fourth Proportional to 140,234.95, 210,304.74 and 45,439.44

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Solution

The fourth proportional to 140,234.95, 210,304.74 and 45,439.44 is: 68,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,234.95 : 210,304.74 = 45,439.44 : x
  2. Step 2: Convert to fraction form
    140,234.95/210,304.74 = 45,439.44/x
  3. Step 3: Cross multiply
    140,234.95x = 210,304.74 × 45,439.44
  4. Step 4: Simplify right side
    140,234.95x = 9,556,129,614.95
  5. Step 5: Solve for x
    x = 9,556,129,614.95/140,234.95
  6. Step 6: Final answer
    x = 68,143.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.