Home / 190,501.20-285,460.20-180,003.60

Finding the Fourth Proportional to 190,501.20, 285,460.20 and 180,003.60

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Solution

The fourth proportional to 190,501.20, 285,460.20 and 180,003.60 is: 269,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,501.20 : 285,460.20 = 180,003.60 : x
  2. Step 2: Convert to fraction form
    190,501.20/285,460.20 = 180,003.60/x
  3. Step 3: Cross multiply
    190,501.20x = 285,460.20 × 180,003.60
  4. Step 4: Simplify right side
    190,501.20x = 51,383,863,656.72
  5. Step 5: Solve for x
    x = 51,383,863,656.72/190,501.20
  6. Step 6: Final answer
    x = 269,729.87

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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.