Home / 180,198.68-248,726.07-118,989.56

Finding the Fourth Proportional to 180,198.68, 248,726.07 and 118,989.56

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Solution

The fourth proportional to 180,198.68, 248,726.07 and 118,989.56 is: 164,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,198.68 : 248,726.07 = 118,989.56 : x
  2. Step 2: Convert to fraction form
    180,198.68/248,726.07 = 118,989.56/x
  3. Step 3: Cross multiply
    180,198.68x = 248,726.07 × 118,989.56
  4. Step 4: Simplify right side
    180,198.68x = 29,595,806,251.64
  5. Step 5: Solve for x
    x = 29,595,806,251.64/180,198.68
  6. Step 6: Final answer
    x = 164,239.87

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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.