Home / 236,467.24-326,322.10-129,039.10

Finding the Fourth Proportional to 236,467.24, 326,322.10 and 129,039.10

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Solution

The fourth proportional to 236,467.24, 326,322.10 and 129,039.10 is: 178,072.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,467.24 : 326,322.10 = 129,039.10 : x
  2. Step 2: Convert to fraction form
    236,467.24/326,322.10 = 129,039.10/x
  3. Step 3: Cross multiply
    236,467.24x = 326,322.10 × 129,039.10
  4. Step 4: Simplify right side
    236,467.24x = 42,108,309,439.60
  5. Step 5: Solve for x
    x = 42,108,309,439.60/236,467.24
  6. Step 6: Final answer
    x = 178,072.49

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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.