Home / 216,453.68-298,705.21-120,960.35

Finding the Fourth Proportional to 216,453.68, 298,705.21 and 120,960.35

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Solution

The fourth proportional to 216,453.68, 298,705.21 and 120,960.35 is: 166,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,453.68 : 298,705.21 = 120,960.35 : x
  2. Step 2: Convert to fraction form
    216,453.68/298,705.21 = 120,960.35/x
  3. Step 3: Cross multiply
    216,453.68x = 298,705.21 × 120,960.35
  4. Step 4: Simplify right side
    216,453.68x = 36,131,484,952.50
  5. Step 5: Solve for x
    x = 36,131,484,952.50/216,453.68
  6. Step 6: Final answer
    x = 166,924.79

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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.