Home / 185,089.68-255,424.26-100,206.54

Finding the Fourth Proportional to 185,089.68, 255,424.26 and 100,206.54

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Solution

The fourth proportional to 185,089.68, 255,424.26 and 100,206.54 is: 138,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,089.68 : 255,424.26 = 100,206.54 : x
  2. Step 2: Convert to fraction form
    185,089.68/255,424.26 = 100,206.54/x
  3. Step 3: Cross multiply
    185,089.68x = 255,424.26 × 100,206.54
  4. Step 4: Simplify right side
    185,089.68x = 25,595,181,326.66
  5. Step 5: Solve for x
    x = 25,595,181,326.66/185,089.68
  6. Step 6: Final answer
    x = 138,285.30

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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.