Home / 220,122.96-330,168.26-70,323.02

Finding the Fourth Proportional to 220,122.96, 330,168.26 and 70,323.02

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Solution

The fourth proportional to 220,122.96, 330,168.26 and 70,323.02 is: 105,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,122.96 : 330,168.26 = 70,323.02 : x
  2. Step 2: Convert to fraction form
    220,122.96/330,168.26 = 70,323.02/x
  3. Step 3: Cross multiply
    220,122.96x = 330,168.26 × 70,323.02
  4. Step 4: Simplify right side
    220,122.96x = 23,218,429,151.35
  5. Step 5: Solve for x
    x = 23,218,429,151.35/220,122.96
  6. Step 6: Final answer
    x = 105,479.36

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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.