Home / 219,924.20-329,886.30-72,180.20

Finding the Fourth Proportional to 219,924.20, 329,886.30 and 72,180.20

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Solution

The fourth proportional to 219,924.20, 329,886.30 and 72,180.20 is: 108,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,924.20 : 329,886.30 = 72,180.20 : x
  2. Step 2: Convert to fraction form
    219,924.20/329,886.30 = 72,180.20/x
  3. Step 3: Cross multiply
    219,924.20x = 329,886.30 × 72,180.20
  4. Step 4: Simplify right side
    219,924.20x = 23,811,259,111.26
  5. Step 5: Solve for x
    x = 23,811,259,111.26/219,924.20
  6. Step 6: Final answer
    x = 108,270.30

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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.