Home / 216,339.44-298,521.58-120,864.12

Finding the Fourth Proportional to 216,339.44, 298,521.58 and 120,864.12

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Solution

The fourth proportional to 216,339.44, 298,521.58 and 120,864.12 is: 166,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,339.44 : 298,521.58 = 120,864.12 : x
  2. Step 2: Convert to fraction form
    216,339.44/298,521.58 = 120,864.12/x
  3. Step 3: Cross multiply
    216,339.44x = 298,521.58 × 120,864.12
  4. Step 4: Simplify right side
    216,339.44x = 36,080,548,067.71
  5. Step 5: Solve for x
    x = 36,080,548,067.71/216,339.44
  6. Step 6: Final answer
    x = 166,777.49

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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.