Home / 143,317.40-197,326.26-130,031.37

Finding the Fourth Proportional to 143,317.40, 197,326.26 and 130,031.37

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Solution

The fourth proportional to 143,317.40, 197,326.26 and 130,031.37 is: 179,033.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,317.40 : 197,326.26 = 130,031.37 : x
  2. Step 2: Convert to fraction form
    143,317.40/197,326.26 = 130,031.37/x
  3. Step 3: Cross multiply
    143,317.40x = 197,326.26 × 130,031.37
  4. Step 4: Simplify right side
    143,317.40x = 25,658,603,924.78
  5. Step 5: Solve for x
    x = 25,658,603,924.78/143,317.40
  6. Step 6: Final answer
    x = 179,033.42

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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.