Home / 185,243.37-255,636.10-100,360.43

Finding the Fourth Proportional to 185,243.37, 255,636.10 and 100,360.43

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Solution

The fourth proportional to 185,243.37, 255,636.10 and 100,360.43 is: 138,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,243.37 : 255,636.10 = 100,360.43 : x
  2. Step 2: Convert to fraction form
    185,243.37/255,636.10 = 100,360.43/x
  3. Step 3: Cross multiply
    185,243.37x = 255,636.10 × 100,360.43
  4. Step 4: Simplify right side
    185,243.37x = 25,655,747,778.63
  5. Step 5: Solve for x
    x = 25,655,747,778.63/185,243.37
  6. Step 6: Final answer
    x = 138,497.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.