Home / 166,964.60-230,410.63-90,485.89

Finding the Fourth Proportional to 166,964.60, 230,410.63 and 90,485.89

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Solution

The fourth proportional to 166,964.60, 230,410.63 and 90,485.89 is: 124,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,964.60 : 230,410.63 = 90,485.89 : x
  2. Step 2: Convert to fraction form
    166,964.60/230,410.63 = 90,485.89/x
  3. Step 3: Cross multiply
    166,964.60x = 230,410.63 × 90,485.89
  4. Step 4: Simplify right side
    166,964.60x = 20,848,910,921.01
  5. Step 5: Solve for x
    x = 20,848,910,921.01/166,964.60
  6. Step 6: Final answer
    x = 124,870.25

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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.