Home / 220,148.57-330,195.29-70,376.44

Finding the Fourth Proportional to 220,148.57, 330,195.29 and 70,376.44

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Solution

The fourth proportional to 220,148.57, 330,195.29 and 70,376.44 is: 105,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,148.57 : 330,195.29 = 70,376.44 : x
  2. Step 2: Convert to fraction form
    220,148.57/330,195.29 = 70,376.44/x
  3. Step 3: Cross multiply
    220,148.57x = 330,195.29 × 70,376.44
  4. Step 4: Simplify right side
    220,148.57x = 23,237,968,365.42
  5. Step 5: Solve for x
    x = 23,237,968,365.42/220,148.57
  6. Step 6: Final answer
    x = 105,555.84

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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.