Home / 149,145.51-223,669.66-49,287.09

Finding the Fourth Proportional to 149,145.51, 223,669.66 and 49,287.09

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Solution

The fourth proportional to 149,145.51, 223,669.66 and 49,287.09 is: 73,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,145.51 : 223,669.66 = 49,287.09 : x
  2. Step 2: Convert to fraction form
    149,145.51/223,669.66 = 49,287.09/x
  3. Step 3: Cross multiply
    149,145.51x = 223,669.66 × 49,287.09
  4. Step 4: Simplify right side
    149,145.51x = 11,024,026,212.50
  5. Step 5: Solve for x
    x = 11,024,026,212.50/149,145.51
  6. Step 6: Final answer
    x = 73,914.57

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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.