Home / 216,450.57-298,701.27-120,957.26

Finding the Fourth Proportional to 216,450.57, 298,701.27 and 120,957.26

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Solution

The fourth proportional to 216,450.57, 298,701.27 and 120,957.26 is: 166,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,450.57 : 298,701.27 = 120,957.26 : x
  2. Step 2: Convert to fraction form
    216,450.57/298,701.27 = 120,957.26/x
  3. Step 3: Cross multiply
    216,450.57x = 298,701.27 × 120,957.26
  4. Step 4: Simplify right side
    216,450.57x = 36,130,087,177.72
  5. Step 5: Solve for x
    x = 36,130,087,177.72/216,450.57
  6. Step 6: Final answer
    x = 166,920.73

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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.