Home / 216,171.65-298,286.03-120,676.25

Finding the Fourth Proportional to 216,171.65, 298,286.03 and 120,676.25

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Solution

The fourth proportional to 216,171.65, 298,286.03 and 120,676.25 is: 166,516.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,171.65 : 298,286.03 = 120,676.25 : x
  2. Step 2: Convert to fraction form
    216,171.65/298,286.03 = 120,676.25/x
  3. Step 3: Cross multiply
    216,171.65x = 298,286.03 × 120,676.25
  4. Step 4: Simplify right side
    216,171.65x = 35,996,038,924.41
  5. Step 5: Solve for x
    x = 35,996,038,924.41/216,171.65
  6. Step 6: Final answer
    x = 166,516.00

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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.