Home / 220,117.12-330,173.44-70,355.68

Finding the Fourth Proportional to 220,117.12, 330,173.44 and 70,355.68

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Solution

The fourth proportional to 220,117.12, 330,173.44 and 70,355.68 is: 105,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,117.12 : 330,173.44 = 70,355.68 : x
  2. Step 2: Convert to fraction form
    220,117.12/330,173.44 = 70,355.68/x
  3. Step 3: Cross multiply
    220,117.12x = 330,173.44 × 70,355.68
  4. Step 4: Simplify right side
    220,117.12x = 23,229,576,889.14
  5. Step 5: Solve for x
    x = 23,229,576,889.14/220,117.12
  6. Step 6: Final answer
    x = 105,532.80

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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.