Home / 213,758.36-294,914.92-123,112.50

Finding the Fourth Proportional to 213,758.36, 294,914.92 and 123,112.50

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Solution

The fourth proportional to 213,758.36, 294,914.92 and 123,112.50 is: 169,854.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,758.36 : 294,914.92 = 123,112.50 : x
  2. Step 2: Convert to fraction form
    213,758.36/294,914.92 = 123,112.50/x
  3. Step 3: Cross multiply
    213,758.36x = 294,914.92 × 123,112.50
  4. Step 4: Simplify right side
    213,758.36x = 36,307,713,088.50
  5. Step 5: Solve for x
    x = 36,307,713,088.50/213,758.36
  6. Step 6: Final answer
    x = 169,854.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.