Home / 216,433.12-298,658.28-120,926.56

Finding the Fourth Proportional to 216,433.12, 298,658.28 and 120,926.56

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Solution

The fourth proportional to 216,433.12, 298,658.28 and 120,926.56 is: 166,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,433.12 : 298,658.28 = 120,926.56 : x
  2. Step 2: Convert to fraction form
    216,433.12/298,658.28 = 120,926.56/x
  3. Step 3: Cross multiply
    216,433.12x = 298,658.28 × 120,926.56
  4. Step 4: Simplify right side
    216,433.12x = 36,115,718,415.92
  5. Step 5: Solve for x
    x = 36,115,718,415.92/216,433.12
  6. Step 6: Final answer
    x = 166,867.80

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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.