Home / 209,434.73-314,033.09-142,955.33

Finding the Fourth Proportional to 209,434.73, 314,033.09 and 142,955.33

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Solution

The fourth proportional to 209,434.73, 314,033.09 and 142,955.33 is: 214,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,434.73 : 314,033.09 = 142,955.33 : x
  2. Step 2: Convert to fraction form
    209,434.73/314,033.09 = 142,955.33/x
  3. Step 3: Cross multiply
    209,434.73x = 314,033.09 × 142,955.33
  4. Step 4: Simplify right side
    209,434.73x = 44,892,701,726.93
  5. Step 5: Solve for x
    x = 44,892,701,726.93/209,434.73
  6. Step 6: Final answer
    x = 214,351.76

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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.