Home / 149,067.20-223,611.60-89,775.20

Finding the Fourth Proportional to 149,067.20, 223,611.60 and 89,775.20

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Solution

The fourth proportional to 149,067.20, 223,611.60 and 89,775.20 is: 134,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,067.20 : 223,611.60 = 89,775.20 : x
  2. Step 2: Convert to fraction form
    149,067.20/223,611.60 = 89,775.20/x
  3. Step 3: Cross multiply
    149,067.20x = 223,611.60 × 89,775.20
  4. Step 4: Simplify right side
    149,067.20x = 20,074,776,112.32
  5. Step 5: Solve for x
    x = 20,074,776,112.32/149,067.20
  6. Step 6: Final answer
    x = 134,669.30

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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.