Home / 140,388.06-210,570.26-60,422.80

Finding the Fourth Proportional to 140,388.06, 210,570.26 and 60,422.80

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Solution

The fourth proportional to 140,388.06, 210,570.26 and 60,422.80 is: 90,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,388.06 : 210,570.26 = 60,422.80 : x
  2. Step 2: Convert to fraction form
    140,388.06/210,570.26 = 60,422.80/x
  3. Step 3: Cross multiply
    140,388.06x = 210,570.26 × 60,422.80
  4. Step 4: Simplify right side
    140,388.06x = 12,723,244,330.56
  5. Step 5: Solve for x
    x = 12,723,244,330.56/140,388.06
  6. Step 6: Final answer
    x = 90,629.11

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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.