Home / 219,826.70-329,740.05-131,180.30

Finding the Fourth Proportional to 219,826.70, 329,740.05 and 131,180.30

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Solution

The fourth proportional to 219,826.70, 329,740.05 and 131,180.30 is: 196,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,826.70 : 329,740.05 = 131,180.30 : x
  2. Step 2: Convert to fraction form
    219,826.70/329,740.05 = 131,180.30/x
  3. Step 3: Cross multiply
    219,826.70x = 329,740.05 × 131,180.30
  4. Step 4: Simplify right side
    219,826.70x = 43,255,398,681.02
  5. Step 5: Solve for x
    x = 43,255,398,681.02/219,826.70
  6. Step 6: Final answer
    x = 196,770.45

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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.