Home / 215,904.06-297,947.03-120,410.87

Finding the Fourth Proportional to 215,904.06, 297,947.03 and 120,410.87

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Solution

The fourth proportional to 215,904.06, 297,947.03 and 120,410.87 is: 166,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,904.06 : 297,947.03 = 120,410.87 : x
  2. Step 2: Convert to fraction form
    215,904.06/297,947.03 = 120,410.87/x
  3. Step 3: Cross multiply
    215,904.06x = 297,947.03 × 120,410.87
  4. Step 4: Simplify right side
    215,904.06x = 35,876,059,004.43
  5. Step 5: Solve for x
    x = 35,876,059,004.43/215,904.06
  6. Step 6: Final answer
    x = 166,166.67

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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.