Home / 185,212.37-255,593.13-100,329.50

Finding the Fourth Proportional to 185,212.37, 255,593.13 and 100,329.50

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Solution

The fourth proportional to 185,212.37, 255,593.13 and 100,329.50 is: 138,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,212.37 : 255,593.13 = 100,329.50 : x
  2. Step 2: Convert to fraction form
    185,212.37/255,593.13 = 100,329.50/x
  3. Step 3: Cross multiply
    185,212.37x = 255,593.13 × 100,329.50
  4. Step 4: Simplify right side
    185,212.37x = 25,643,530,936.34
  5. Step 5: Solve for x
    x = 25,643,530,936.34/185,212.37
  6. Step 6: Final answer
    x = 138,454.74

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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.