Home / 216,583.47-298,879.07-121,099.05

Finding the Fourth Proportional to 216,583.47, 298,879.07 and 121,099.05

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Solution

The fourth proportional to 216,583.47, 298,879.07 and 121,099.05 is: 167,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,583.47 : 298,879.07 = 121,099.05 : x
  2. Step 2: Convert to fraction form
    216,583.47/298,879.07 = 121,099.05/x
  3. Step 3: Cross multiply
    216,583.47x = 298,879.07 × 121,099.05
  4. Step 4: Simplify right side
    216,583.47x = 36,193,970,836.39
  5. Step 5: Solve for x
    x = 36,193,970,836.39/216,583.47
  6. Step 6: Final answer
    x = 167,113.27

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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.