Home / 147,509.41-221,054.83-113,647.33

Finding the Fourth Proportional to 147,509.41, 221,054.83 and 113,647.33

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Solution

The fourth proportional to 147,509.41, 221,054.83 and 113,647.33 is: 170,309.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,509.41 : 221,054.83 = 113,647.33 : x
  2. Step 2: Convert to fraction form
    147,509.41/221,054.83 = 113,647.33/x
  3. Step 3: Cross multiply
    147,509.41x = 221,054.83 × 113,647.33
  4. Step 4: Simplify right side
    147,509.41x = 25,122,291,213.10
  5. Step 5: Solve for x
    x = 25,122,291,213.10/147,509.41
  6. Step 6: Final answer
    x = 170,309.75

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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.