Home / 190,024.56-285,119.73-90,255.24

Finding the Fourth Proportional to 190,024.56, 285,119.73 and 90,255.24

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Solution

The fourth proportional to 190,024.56, 285,119.73 and 90,255.24 is: 135,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,024.56 : 285,119.73 = 90,255.24 : x
  2. Step 2: Convert to fraction form
    190,024.56/285,119.73 = 90,255.24/x
  3. Step 3: Cross multiply
    190,024.56x = 285,119.73 × 90,255.24
  4. Step 4: Simplify right side
    190,024.56x = 25,733,549,659.89
  5. Step 5: Solve for x
    x = 25,733,549,659.89/190,024.56
  6. Step 6: Final answer
    x = 135,422.23

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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.