Home / 187,262.03-280,906.72-54,142.99

Finding the Fourth Proportional to 187,262.03, 280,906.72 and 54,142.99

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Solution

The fourth proportional to 187,262.03, 280,906.72 and 54,142.99 is: 81,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,262.03 : 280,906.72 = 54,142.99 : x
  2. Step 2: Convert to fraction form
    187,262.03/280,906.72 = 54,142.99/x
  3. Step 3: Cross multiply
    187,262.03x = 280,906.72 × 54,142.99
  4. Step 4: Simplify right side
    187,262.03x = 15,209,128,894.27
  5. Step 5: Solve for x
    x = 15,209,128,894.27/187,262.03
  6. Step 6: Final answer
    x = 81,218.43

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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.