Home / 150,836.06-208,106.94-87,150.62

Finding the Fourth Proportional to 150,836.06, 208,106.94 and 87,150.62

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Solution

The fourth proportional to 150,836.06, 208,106.94 and 87,150.62 is: 120,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,836.06 : 208,106.94 = 87,150.62 : x
  2. Step 2: Convert to fraction form
    150,836.06/208,106.94 = 87,150.62/x
  3. Step 3: Cross multiply
    150,836.06x = 208,106.94 × 87,150.62
  4. Step 4: Simplify right side
    150,836.06x = 18,136,648,847.30
  5. Step 5: Solve for x
    x = 18,136,648,847.30/150,836.06
  6. Step 6: Final answer
    x = 120,240.80

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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.