Home / 215,994.45-298,066.59-120,498.69

Finding the Fourth Proportional to 215,994.45, 298,066.59 and 120,498.69

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Solution

The fourth proportional to 215,994.45, 298,066.59 and 120,498.69 is: 166,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,994.45 : 298,066.59 = 120,498.69 : x
  2. Step 2: Convert to fraction form
    215,994.45/298,066.59 = 120,498.69/x
  3. Step 3: Cross multiply
    215,994.45x = 298,066.59 × 120,498.69
  4. Step 4: Simplify right side
    215,994.45x = 35,916,633,627.77
  5. Step 5: Solve for x
    x = 35,916,633,627.77/215,994.45
  6. Step 6: Final answer
    x = 166,284.98

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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.