Home / 187,003.37-280,529.28-85,777.02

Finding the Fourth Proportional to 187,003.37, 280,529.28 and 85,777.02

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Solution

The fourth proportional to 187,003.37, 280,529.28 and 85,777.02 is: 128,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,003.37 : 280,529.28 = 85,777.02 : x
  2. Step 2: Convert to fraction form
    187,003.37/280,529.28 = 85,777.02/x
  3. Step 3: Cross multiply
    187,003.37x = 280,529.28 × 85,777.02
  4. Step 4: Simplify right side
    187,003.37x = 24,062,965,661.15
  5. Step 5: Solve for x
    x = 24,062,965,661.15/187,003.37
  6. Step 6: Final answer
    x = 128,676.65

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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.