Home / 188,629.61-282,666.47-141,021.36

Finding the Fourth Proportional to 188,629.61, 282,666.47 and 141,021.36

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Solution

The fourth proportional to 188,629.61, 282,666.47 and 141,021.36 is: 211,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,629.61 : 282,666.47 = 141,021.36 : x
  2. Step 2: Convert to fraction form
    188,629.61/282,666.47 = 141,021.36/x
  3. Step 3: Cross multiply
    188,629.61x = 282,666.47 × 141,021.36
  4. Step 4: Simplify right side
    188,629.61x = 39,862,009,320.69
  5. Step 5: Solve for x
    x = 39,862,009,320.69/188,629.61
  6. Step 6: Final answer
    x = 211,324.25

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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.