Home / 100,200.60-150,325.20-70,676.10

Finding the Fourth Proportional to 100,200.60, 150,325.20 and 70,676.10

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Solution

The fourth proportional to 100,200.60, 150,325.20 and 70,676.10 is: 106,031.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,200.60 : 150,325.20 = 70,676.10 : x
  2. Step 2: Convert to fraction form
    100,200.60/150,325.20 = 70,676.10/x
  3. Step 3: Cross multiply
    100,200.60x = 150,325.20 × 70,676.10
  4. Step 4: Simplify right side
    100,200.60x = 10,624,398,867.72
  5. Step 5: Solve for x
    x = 10,624,398,867.72/100,200.60
  6. Step 6: Final answer
    x = 106,031.29

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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.