Home / 213,743.80-294,969.36-133,203.88

Finding the Fourth Proportional to 213,743.80, 294,969.36 and 133,203.88

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Solution

The fourth proportional to 213,743.80, 294,969.36 and 133,203.88 is: 183,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,743.80 : 294,969.36 = 133,203.88 : x
  2. Step 2: Convert to fraction form
    213,743.80/294,969.36 = 133,203.88/x
  3. Step 3: Cross multiply
    213,743.80x = 294,969.36 × 133,203.88
  4. Step 4: Simplify right side
    213,743.80x = 39,291,063,233.12
  5. Step 5: Solve for x
    x = 39,291,063,233.12/213,743.80
  6. Step 6: Final answer
    x = 183,823.17

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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.