Home / 190,422.22-285,673.38-72,090.94

Finding the Fourth Proportional to 190,422.22, 285,673.38 and 72,090.94

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Solution

The fourth proportional to 190,422.22, 285,673.38 and 72,090.94 is: 108,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,422.22 : 285,673.38 = 72,090.94 : x
  2. Step 2: Convert to fraction form
    190,422.22/285,673.38 = 72,090.94/x
  3. Step 3: Cross multiply
    190,422.22x = 285,673.38 × 72,090.94
  4. Step 4: Simplify right side
    190,422.22x = 20,594,462,497.18
  5. Step 5: Solve for x
    x = 20,594,462,497.18/190,422.22
  6. Step 6: Final answer
    x = 108,151.57

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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.