Home / 220,583.70-330,875.55-131,937.30

Finding the Fourth Proportional to 220,583.70, 330,875.55 and 131,937.30

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Solution

The fourth proportional to 220,583.70, 330,875.55 and 131,937.30 is: 197,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,583.70 : 330,875.55 = 131,937.30 : x
  2. Step 2: Convert to fraction form
    220,583.70/330,875.55 = 131,937.30/x
  3. Step 3: Cross multiply
    220,583.70x = 330,875.55 × 131,937.30
  4. Step 4: Simplify right side
    220,583.70x = 43,654,826,703.02
  5. Step 5: Solve for x
    x = 43,654,826,703.02/220,583.70
  6. Step 6: Final answer
    x = 197,905.95

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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.