Home / 220,599.22-330,063.81-130,690.21

Finding the Fourth Proportional to 220,599.22, 330,063.81 and 130,690.21

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Solution

The fourth proportional to 220,599.22, 330,063.81 and 130,690.21 is: 195,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,599.22 : 330,063.81 = 130,690.21 : x
  2. Step 2: Convert to fraction form
    220,599.22/330,063.81 = 130,690.21/x
  3. Step 3: Cross multiply
    220,599.22x = 330,063.81 × 130,690.21
  4. Step 4: Simplify right side
    220,599.22x = 43,136,108,681.05
  5. Step 5: Solve for x
    x = 43,136,108,681.05/220,599.22
  6. Step 6: Final answer
    x = 195,540.62

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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.