Home / 215,952.75-298,015.07-120,465.50

Finding the Fourth Proportional to 215,952.75, 298,015.07 and 120,465.50

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Solution

The fourth proportional to 215,952.75, 298,015.07 and 120,465.50 is: 166,242.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,952.75 : 298,015.07 = 120,465.50 : x
  2. Step 2: Convert to fraction form
    215,952.75/298,015.07 = 120,465.50/x
  3. Step 3: Cross multiply
    215,952.75x = 298,015.07 × 120,465.50
  4. Step 4: Simplify right side
    215,952.75x = 35,900,532,322.68
  5. Step 5: Solve for x
    x = 35,900,532,322.68/215,952.75
  6. Step 6: Final answer
    x = 166,242.53

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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.