Home / 216,170.15-298,283.96-120,674.75

Finding the Fourth Proportional to 216,170.15, 298,283.96 and 120,674.75

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Solution

The fourth proportional to 216,170.15, 298,283.96 and 120,674.75 is: 166,513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,170.15 : 298,283.96 = 120,674.75 : x
  2. Step 2: Convert to fraction form
    216,170.15/298,283.96 = 120,674.75/x
  3. Step 3: Cross multiply
    216,170.15x = 298,283.96 × 120,674.75
  4. Step 4: Simplify right side
    216,170.15x = 35,995,341,698.64
  5. Step 5: Solve for x
    x = 35,995,341,698.64/216,170.15
  6. Step 6: Final answer
    x = 166,513.93

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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.