Home / 236,739.20-326,699.74-129,309.24

Finding the Fourth Proportional to 236,739.20, 326,699.74 and 129,309.24

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Solution

The fourth proportional to 236,739.20, 326,699.74 and 129,309.24 is: 178,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,739.20 : 326,699.74 = 129,309.24 : x
  2. Step 2: Convert to fraction form
    236,739.20/326,699.74 = 129,309.24/x
  3. Step 3: Cross multiply
    236,739.20x = 326,699.74 × 129,309.24
  4. Step 4: Simplify right side
    236,739.20x = 42,245,294,211.95
  5. Step 5: Solve for x
    x = 42,245,294,211.95/236,739.20
  6. Step 6: Final answer
    x = 178,446.55

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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.