Home / 120,012.03-180,043.56-41,105.07

Finding the Fourth Proportional to 120,012.03, 180,043.56 and 41,105.07

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Solution

The fourth proportional to 120,012.03, 180,043.56 and 41,105.07 is: 61,666.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,012.03 : 180,043.56 = 41,105.07 : x
  2. Step 2: Convert to fraction form
    120,012.03/180,043.56 = 41,105.07/x
  3. Step 3: Cross multiply
    120,012.03x = 180,043.56 × 41,105.07
  4. Step 4: Simplify right side
    120,012.03x = 7,400,703,136.85
  5. Step 5: Solve for x
    x = 7,400,703,136.85/120,012.03
  6. Step 6: Final answer
    x = 61,666.34

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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.