Home / 216,009.24-298,107.72-120,534.54

Finding the Fourth Proportional to 216,009.24, 298,107.72 and 120,534.54

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Solution

The fourth proportional to 216,009.24, 298,107.72 and 120,534.54 is: 166,346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,009.24 : 298,107.72 = 120,534.54 : x
  2. Step 2: Convert to fraction form
    216,009.24/298,107.72 = 120,534.54/x
  3. Step 3: Cross multiply
    216,009.24x = 298,107.72 × 120,534.54
  4. Step 4: Simplify right side
    216,009.24x = 35,932,276,900.65
  5. Step 5: Solve for x
    x = 35,932,276,900.65/216,009.24
  6. Step 6: Final answer
    x = 166,346.02

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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.