Home / 216,125.10-298,252.98-120,631.77

Finding the Fourth Proportional to 216,125.10, 298,252.98 and 120,631.77

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Solution

The fourth proportional to 216,125.10, 298,252.98 and 120,631.77 is: 166,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,125.10 : 298,252.98 = 120,631.77 : x
  2. Step 2: Convert to fraction form
    216,125.10/298,252.98 = 120,631.77/x
  3. Step 3: Cross multiply
    216,125.10x = 298,252.98 × 120,631.77
  4. Step 4: Simplify right side
    216,125.10x = 35,978,784,885.17
  5. Step 5: Solve for x
    x = 35,978,784,885.17/216,125.10
  6. Step 6: Final answer
    x = 166,472.03

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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.