Home / 220,054.55-330,099.44-70,315.92

Finding the Fourth Proportional to 220,054.55, 330,099.44 and 70,315.92

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Solution

The fourth proportional to 220,054.55, 330,099.44 and 70,315.92 is: 105,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,054.55 : 330,099.44 = 70,315.92 : x
  2. Step 2: Convert to fraction form
    220,054.55/330,099.44 = 70,315.92/x
  3. Step 3: Cross multiply
    220,054.55x = 330,099.44 × 70,315.92
  4. Step 4: Simplify right side
    220,054.55x = 23,211,245,463.51
  5. Step 5: Solve for x
    x = 23,211,245,463.51/220,054.55
  6. Step 6: Final answer
    x = 105,479.51

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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.