Home / 109,106.70-150,532.24-66,072.46

Finding the Fourth Proportional to 109,106.70, 150,532.24 and 66,072.46

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Solution

The fourth proportional to 109,106.70, 150,532.24 and 66,072.46 is: 91,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,106.70 : 150,532.24 = 66,072.46 : x
  2. Step 2: Convert to fraction form
    109,106.70/150,532.24 = 66,072.46/x
  3. Step 3: Cross multiply
    109,106.70x = 150,532.24 × 66,072.46
  4. Step 4: Simplify right side
    109,106.70x = 9,946,034,991.99
  5. Step 5: Solve for x
    x = 9,946,034,991.99/109,106.70
  6. Step 6: Final answer
    x = 91,158.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.