Home / 216,454.05-298,705.73-120,960.72

Finding the Fourth Proportional to 216,454.05, 298,705.73 and 120,960.72

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Solution

The fourth proportional to 216,454.05, 298,705.73 and 120,960.72 is: 166,925.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,454.05 : 298,705.73 = 120,960.72 : x
  2. Step 2: Convert to fraction form
    216,454.05/298,705.73 = 120,960.72/x
  3. Step 3: Cross multiply
    216,454.05x = 298,705.73 × 120,960.72
  4. Step 4: Simplify right side
    216,454.05x = 36,131,659,564.12
  5. Step 5: Solve for x
    x = 36,131,659,564.12/216,454.05
  6. Step 6: Final answer
    x = 166,925.31

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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.