Home / 362,639.93-543,943.29-126,001.13

Finding the Fourth Proportional to 362,639.93, 543,943.29 and 126,001.13

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Solution

The fourth proportional to 362,639.93, 543,943.29 and 126,001.13 is: 188,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,639.93 : 543,943.29 = 126,001.13 : x
  2. Step 2: Convert to fraction form
    362,639.93/543,943.29 = 126,001.13/x
  3. Step 3: Cross multiply
    362,639.93x = 543,943.29 × 126,001.13
  4. Step 4: Simplify right side
    362,639.93x = 68,537,469,195.92
  5. Step 5: Solve for x
    x = 68,537,469,195.92/362,639.93
  6. Step 6: Final answer
    x = 188,995.93

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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.