Home / 236,702.56-326,647.80-129,272.56

Finding the Fourth Proportional to 236,702.56, 326,647.80 and 129,272.56

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Solution

The fourth proportional to 236,702.56, 326,647.80 and 129,272.56 is: 178,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,702.56 : 326,647.80 = 129,272.56 : x
  2. Step 2: Convert to fraction form
    236,702.56/326,647.80 = 129,272.56/x
  3. Step 3: Cross multiply
    236,702.56x = 326,647.80 × 129,272.56
  4. Step 4: Simplify right side
    236,702.56x = 42,226,597,324.37
  5. Step 5: Solve for x
    x = 42,226,597,324.37/236,702.56
  6. Step 6: Final answer
    x = 178,395.19

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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.