Home / 216,467.27-298,738.10-120,981.59

Finding the Fourth Proportional to 216,467.27, 298,738.10 and 120,981.59

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Solution

The fourth proportional to 216,467.27, 298,738.10 and 120,981.59 is: 166,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,467.27 : 298,738.10 = 120,981.59 : x
  2. Step 2: Convert to fraction form
    216,467.27/298,738.10 = 120,981.59/x
  3. Step 3: Cross multiply
    216,467.27x = 298,738.10 × 120,981.59
  4. Step 4: Simplify right side
    216,467.27x = 36,141,809,726.67
  5. Step 5: Solve for x
    x = 36,141,809,726.67/216,467.27
  6. Step 6: Final answer
    x = 166,962.01

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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.