Home / 216,436.35-298,676.43-120,943.83

Finding the Fourth Proportional to 216,436.35, 298,676.43 and 120,943.83

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Solution

The fourth proportional to 216,436.35, 298,676.43 and 120,943.83 is: 166,899.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,436.35 : 298,676.43 = 120,943.83 : x
  2. Step 2: Convert to fraction form
    216,436.35/298,676.43 = 120,943.83/x
  3. Step 3: Cross multiply
    216,436.35x = 298,676.43 × 120,943.83
  4. Step 4: Simplify right side
    216,436.35x = 36,123,071,374.93
  5. Step 5: Solve for x
    x = 36,123,071,374.93/216,436.35
  6. Step 6: Final answer
    x = 166,899.28

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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.