Home / 236,469.12-326,324.69-129,040.98

Finding the Fourth Proportional to 236,469.12, 326,324.69 and 129,040.98

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Solution

The fourth proportional to 236,469.12, 326,324.69 and 129,040.98 is: 178,075.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,469.12 : 326,324.69 = 129,040.98 : x
  2. Step 2: Convert to fraction form
    236,469.12/326,324.69 = 129,040.98/x
  3. Step 3: Cross multiply
    236,469.12x = 326,324.69 × 129,040.98
  4. Step 4: Simplify right side
    236,469.12x = 42,109,257,795.80
  5. Step 5: Solve for x
    x = 42,109,257,795.80/236,469.12
  6. Step 6: Final answer
    x = 178,075.08

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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.