Home / 216,339.43-298,521.58-120,864.13

Finding the Fourth Proportional to 216,339.43, 298,521.58 and 120,864.13

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Solution

The fourth proportional to 216,339.43, 298,521.58 and 120,864.13 is: 166,777.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,339.43 : 298,521.58 = 120,864.13 : x
  2. Step 2: Convert to fraction form
    216,339.43/298,521.58 = 120,864.13/x
  3. Step 3: Cross multiply
    216,339.43x = 298,521.58 × 120,864.13
  4. Step 4: Simplify right side
    216,339.43x = 36,080,551,052.93
  5. Step 5: Solve for x
    x = 36,080,551,052.93/216,339.43
  6. Step 6: Final answer
    x = 166,777.51

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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.