Home / 208,450.49-287,667.24-126,750.56

Finding the Fourth Proportional to 208,450.49, 287,667.24 and 126,750.56

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Solution

The fourth proportional to 208,450.49, 287,667.24 and 126,750.56 is: 174,919.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,450.49 : 287,667.24 = 126,750.56 : x
  2. Step 2: Convert to fraction form
    208,450.49/287,667.24 = 126,750.56/x
  3. Step 3: Cross multiply
    208,450.49x = 287,667.24 × 126,750.56
  4. Step 4: Simplify right side
    208,450.49x = 36,461,983,763.65
  5. Step 5: Solve for x
    x = 36,461,983,763.65/208,450.49
  6. Step 6: Final answer
    x = 174,919.16

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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.