Home / 216,108.04-298,257.31-120,634.56

Finding the Fourth Proportional to 216,108.04, 298,257.31 and 120,634.56

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Solution

The fourth proportional to 216,108.04, 298,257.31 and 120,634.56 is: 166,491.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,108.04 : 298,257.31 = 120,634.56 : x
  2. Step 2: Convert to fraction form
    216,108.04/298,257.31 = 120,634.56/x
  3. Step 3: Cross multiply
    216,108.04x = 298,257.31 × 120,634.56
  4. Step 4: Simplify right side
    216,108.04x = 35,980,137,565.76
  5. Step 5: Solve for x
    x = 35,980,137,565.76/216,108.04
  6. Step 6: Final answer
    x = 166,491.43

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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.