Home / 147,998.40-221,997.60-100,996.80

Finding the Fourth Proportional to 147,998.40, 221,997.60 and 100,996.80

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Solution

The fourth proportional to 147,998.40, 221,997.60 and 100,996.80 is: 151,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,998.40 : 221,997.60 = 100,996.80 : x
  2. Step 2: Convert to fraction form
    147,998.40/221,997.60 = 100,996.80/x
  3. Step 3: Cross multiply
    147,998.40x = 221,997.60 × 100,996.80
  4. Step 4: Simplify right side
    147,998.40x = 22,421,047,207.68
  5. Step 5: Solve for x
    x = 22,421,047,207.68/147,998.40
  6. Step 6: Final answer
    x = 151,495.20

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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.