Home / 220,178.14-330,265.45-130,840.00

Finding the Fourth Proportional to 220,178.14, 330,265.45 and 130,840.00

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Solution

The fourth proportional to 220,178.14, 330,265.45 and 130,840.00 is: 196,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,178.14 : 330,265.45 = 130,840.00 : x
  2. Step 2: Convert to fraction form
    220,178.14/330,265.45 = 130,840.00/x
  3. Step 3: Cross multiply
    220,178.14x = 330,265.45 × 130,840.00
  4. Step 4: Simplify right side
    220,178.14x = 43,211,930,815.89
  5. Step 5: Solve for x
    x = 43,211,930,815.89/220,178.14
  6. Step 6: Final answer
    x = 196,258.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.