Home / 236,765.22-326,731.89-129,332.49

Finding the Fourth Proportional to 236,765.22, 326,731.89 and 129,332.49

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Solution

The fourth proportional to 236,765.22, 326,731.89 and 129,332.49 is: 178,476.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,765.22 : 326,731.89 = 129,332.49 : x
  2. Step 2: Convert to fraction form
    236,765.22/326,731.89 = 129,332.49/x
  3. Step 3: Cross multiply
    236,765.22x = 326,731.89 × 129,332.49
  4. Step 4: Simplify right side
    236,765.22x = 42,257,048,896.11
  5. Step 5: Solve for x
    x = 42,257,048,896.11/236,765.22
  6. Step 6: Final answer
    x = 178,476.59

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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.