Home / 149,738.80-224,608.20-120,214.30

Finding the Fourth Proportional to 149,738.80, 224,608.20 and 120,214.30

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Solution

The fourth proportional to 149,738.80, 224,608.20 and 120,214.30 is: 180,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,738.80 : 224,608.20 = 120,214.30 : x
  2. Step 2: Convert to fraction form
    149,738.80/224,608.20 = 120,214.30/x
  3. Step 3: Cross multiply
    149,738.80x = 224,608.20 × 120,214.30
  4. Step 4: Simplify right side
    149,738.80x = 27,001,117,537.26
  5. Step 5: Solve for x
    x = 27,001,117,537.26/149,738.80
  6. Step 6: Final answer
    x = 180,321.45

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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.