Home / 216,126.48-298,218.87-120,633.15

Finding the Fourth Proportional to 216,126.48, 298,218.87 and 120,633.15

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Solution

The fourth proportional to 216,126.48, 298,218.87 and 120,633.15 is: 166,453.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,126.48 : 298,218.87 = 120,633.15 : x
  2. Step 2: Convert to fraction form
    216,126.48/298,218.87 = 120,633.15/x
  3. Step 3: Cross multiply
    216,126.48x = 298,218.87 × 120,633.15
  4. Step 4: Simplify right side
    216,126.48x = 35,975,081,677.54
  5. Step 5: Solve for x
    x = 35,975,081,677.54/216,126.48
  6. Step 6: Final answer
    x = 166,453.84

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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.