Home / 187,241.26-280,613.49-81,945.58

Finding the Fourth Proportional to 187,241.26, 280,613.49 and 81,945.58

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Solution

The fourth proportional to 187,241.26, 280,613.49 and 81,945.58 is: 122,809.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,241.26 : 280,613.49 = 81,945.58 : x
  2. Step 2: Convert to fraction form
    187,241.26/280,613.49 = 81,945.58/x
  3. Step 3: Cross multiply
    187,241.26x = 280,613.49 × 81,945.58
  4. Step 4: Simplify right side
    187,241.26x = 22,995,035,193.87
  5. Step 5: Solve for x
    x = 22,995,035,193.87/187,241.26
  6. Step 6: Final answer
    x = 122,809.66

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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.