Home / 143,042.11-196,946.31-125,983.51

Finding the Fourth Proportional to 143,042.11, 196,946.31 and 125,983.51

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Solution

The fourth proportional to 143,042.11, 196,946.31 and 125,983.51 is: 173,459.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,042.11 : 196,946.31 = 125,983.51 : x
  2. Step 2: Convert to fraction form
    143,042.11/196,946.31 = 125,983.51/x
  3. Step 3: Cross multiply
    143,042.11x = 196,946.31 × 125,983.51
  4. Step 4: Simplify right side
    143,042.11x = 24,811,987,415.35
  5. Step 5: Solve for x
    x = 24,811,987,415.35/143,042.11
  6. Step 6: Final answer
    x = 173,459.32

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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.