Home / 149,047.20-223,570.80-143,142.30

Finding the Fourth Proportional to 149,047.20, 223,570.80 and 143,142.30

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Solution

The fourth proportional to 149,047.20, 223,570.80 and 143,142.30 is: 214,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,047.20 : 223,570.80 = 143,142.30 : x
  2. Step 2: Convert to fraction form
    149,047.20/223,570.80 = 143,142.30/x
  3. Step 3: Cross multiply
    149,047.20x = 223,570.80 × 143,142.30
  4. Step 4: Simplify right side
    149,047.20x = 32,002,438,524.84
  5. Step 5: Solve for x
    x = 32,002,438,524.84/149,047.20
  6. Step 6: Final answer
    x = 214,713.45

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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.