Home / 149,222.21-223,692.61-74,271.50

Finding the Fourth Proportional to 149,222.21, 223,692.61 and 74,271.50

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Solution

The fourth proportional to 149,222.21, 223,692.61 and 74,271.50 is: 111,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,222.21 : 223,692.61 = 74,271.50 : x
  2. Step 2: Convert to fraction form
    149,222.21/223,692.61 = 74,271.50/x
  3. Step 3: Cross multiply
    149,222.21x = 223,692.61 × 74,271.50
  4. Step 4: Simplify right side
    149,222.21x = 16,613,984,240.21
  5. Step 5: Solve for x
    x = 16,613,984,240.21/149,222.21
  6. Step 6: Final answer
    x = 111,337.21

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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.