Home / 216,418.21-298,651.53-120,925.69

Finding the Fourth Proportional to 216,418.21, 298,651.53 and 120,925.69

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Solution

The fourth proportional to 216,418.21, 298,651.53 and 120,925.69 is: 166,874.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,418.21 : 298,651.53 = 120,925.69 : x
  2. Step 2: Convert to fraction form
    216,418.21/298,651.53 = 120,925.69/x
  3. Step 3: Cross multiply
    216,418.21x = 298,651.53 × 120,925.69
  4. Step 4: Simplify right side
    216,418.21x = 36,114,642,334.81
  5. Step 5: Solve for x
    x = 36,114,642,334.81/216,418.21
  6. Step 6: Final answer
    x = 166,874.32

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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.