Home / 216,171.15-298,285.34-120,675.75

Finding the Fourth Proportional to 216,171.15, 298,285.34 and 120,675.75

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Solution

The fourth proportional to 216,171.15, 298,285.34 and 120,675.75 is: 166,515.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,171.15 : 298,285.34 = 120,675.75 : x
  2. Step 2: Convert to fraction form
    216,171.15/298,285.34 = 120,675.75/x
  3. Step 3: Cross multiply
    216,171.15x = 298,285.34 × 120,675.75
  4. Step 4: Simplify right side
    216,171.15x = 35,995,806,515.13
  5. Step 5: Solve for x
    x = 35,995,806,515.13/216,171.15
  6. Step 6: Final answer
    x = 166,515.31

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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.