Home / 188,371.24-282,513.06-70,098.28

Finding the Fourth Proportional to 188,371.24, 282,513.06 and 70,098.28

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Solution

The fourth proportional to 188,371.24, 282,513.06 and 70,098.28 is: 105,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,371.24 : 282,513.06 = 70,098.28 : x
  2. Step 2: Convert to fraction form
    188,371.24/282,513.06 = 70,098.28/x
  3. Step 3: Cross multiply
    188,371.24x = 282,513.06 × 70,098.28
  4. Step 4: Simplify right side
    188,371.24x = 19,803,679,583.54
  5. Step 5: Solve for x
    x = 19,803,679,583.54/188,371.24
  6. Step 6: Final answer
    x = 105,131.12

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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.