Home / 168,036.30-251,791.98-142,973.28

Finding the Fourth Proportional to 168,036.30, 251,791.98 and 142,973.28

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Solution

The fourth proportional to 168,036.30, 251,791.98 and 142,973.28 is: 214,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,036.30 : 251,791.98 = 142,973.28 : x
  2. Step 2: Convert to fraction form
    168,036.30/251,791.98 = 142,973.28/x
  3. Step 3: Cross multiply
    168,036.30x = 251,791.98 × 142,973.28
  4. Step 4: Simplify right side
    168,036.30x = 35,999,525,258.29
  5. Step 5: Solve for x
    x = 35,999,525,258.29/168,036.30
  6. Step 6: Final answer
    x = 214,236.60

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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.