Home / 120,274.20-180,192.60-97,966.80

Finding the Fourth Proportional to 120,274.20, 180,192.60 and 97,966.80

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Solution

The fourth proportional to 120,274.20, 180,192.60 and 97,966.80 is: 146,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,274.20 : 180,192.60 = 97,966.80 : x
  2. Step 2: Convert to fraction form
    120,274.20/180,192.60 = 97,966.80/x
  3. Step 3: Cross multiply
    120,274.20x = 180,192.60 × 97,966.80
  4. Step 4: Simplify right side
    120,274.20x = 17,652,892,405.68
  5. Step 5: Solve for x
    x = 17,652,892,405.68/120,274.20
  6. Step 6: Final answer
    x = 146,772.06

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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.