Home / 216,436.88-298,677.30-120,944.36

Finding the Fourth Proportional to 216,436.88, 298,677.30 and 120,944.36

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Solution

The fourth proportional to 216,436.88, 298,677.30 and 120,944.36 is: 166,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,436.88 : 298,677.30 = 120,944.36 : x
  2. Step 2: Convert to fraction form
    216,436.88/298,677.30 = 120,944.36/x
  3. Step 3: Cross multiply
    216,436.88x = 298,677.30 × 120,944.36
  4. Step 4: Simplify right side
    216,436.88x = 36,123,334,895.03
  5. Step 5: Solve for x
    x = 36,123,334,895.03/216,436.88
  6. Step 6: Final answer
    x = 166,900.09

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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.