Home / 120,161.45-180,202.54-44,242.48

Finding the Fourth Proportional to 120,161.45, 180,202.54 and 44,242.48

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Solution

The fourth proportional to 120,161.45, 180,202.54 and 44,242.48 is: 66,349.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,161.45 : 180,202.54 = 44,242.48 : x
  2. Step 2: Convert to fraction form
    120,161.45/180,202.54 = 44,242.48/x
  3. Step 3: Cross multiply
    120,161.45x = 180,202.54 × 44,242.48
  4. Step 4: Simplify right side
    120,161.45x = 7,972,607,271.90
  5. Step 5: Solve for x
    x = 7,972,607,271.90/120,161.45
  6. Step 6: Final answer
    x = 66,349.13

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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.