Home / 199,345.40-299,190.86-104,642.54

Finding the Fourth Proportional to 199,345.40, 299,190.86 and 104,642.54

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Solution

The fourth proportional to 199,345.40, 299,190.86 and 104,642.54 is: 157,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,345.40 : 299,190.86 = 104,642.54 : x
  2. Step 2: Convert to fraction form
    199,345.40/299,190.86 = 104,642.54/x
  3. Step 3: Cross multiply
    199,345.40x = 299,190.86 × 104,642.54
  4. Step 4: Simplify right side
    199,345.40x = 31,308,090,300.84
  5. Step 5: Solve for x
    x = 31,308,090,300.84/199,345.40
  6. Step 6: Final answer
    x = 157,054.49

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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.