Home / 142,004.37-196,031.26-122,545.88

Finding the Fourth Proportional to 142,004.37, 196,031.26 and 122,545.88

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Solution

The fourth proportional to 142,004.37, 196,031.26 and 122,545.88 is: 169,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,004.37 : 196,031.26 = 122,545.88 : x
  2. Step 2: Convert to fraction form
    142,004.37/196,031.26 = 122,545.88/x
  3. Step 3: Cross multiply
    142,004.37x = 196,031.26 × 122,545.88
  4. Step 4: Simplify right side
    142,004.37x = 24,022,823,517.01
  5. Step 5: Solve for x
    x = 24,022,823,517.01/142,004.37
  6. Step 6: Final answer
    x = 169,169.60

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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.