Home / 149,028.60-223,542.90-147,991.80

Finding the Fourth Proportional to 149,028.60, 223,542.90 and 147,991.80

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Solution

The fourth proportional to 149,028.60, 223,542.90 and 147,991.80 is: 221,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,028.60 : 223,542.90 = 147,991.80 : x
  2. Step 2: Convert to fraction form
    149,028.60/223,542.90 = 147,991.80/x
  3. Step 3: Cross multiply
    149,028.60x = 223,542.90 × 147,991.80
  4. Step 4: Simplify right side
    149,028.60x = 33,082,516,148.22
  5. Step 5: Solve for x
    x = 33,082,516,148.22/149,028.60
  6. Step 6: Final answer
    x = 221,987.70

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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.