Home / 216,426.89-298,667.66-120,933.81

Finding the Fourth Proportional to 216,426.89, 298,667.66 and 120,933.81

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Solution

The fourth proportional to 216,426.89, 298,667.66 and 120,933.81 is: 166,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,426.89 : 298,667.66 = 120,933.81 : x
  2. Step 2: Convert to fraction form
    216,426.89/298,667.66 = 120,933.81/x
  3. Step 3: Cross multiply
    216,426.89x = 298,667.66 × 120,933.81
  4. Step 4: Simplify right side
    216,426.89x = 36,119,017,442.92
  5. Step 5: Solve for x
    x = 36,119,017,442.92/216,426.89
  6. Step 6: Final answer
    x = 166,887.85

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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.