Home / 215,946.88-298,007.04-120,459.68

Finding the Fourth Proportional to 215,946.88, 298,007.04 and 120,459.68

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Solution

The fourth proportional to 215,946.88, 298,007.04 and 120,459.68 is: 166,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,946.88 : 298,007.04 = 120,459.68 : x
  2. Step 2: Convert to fraction form
    215,946.88/298,007.04 = 120,459.68/x
  3. Step 3: Cross multiply
    215,946.88x = 298,007.04 × 120,459.68
  4. Step 4: Simplify right side
    215,946.88x = 35,897,832,676.15
  5. Step 5: Solve for x
    x = 35,897,832,676.15/215,946.88
  6. Step 6: Final answer
    x = 166,234.55

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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.