Home / 223,815.20-336,111.60-118,839.20

Finding the Fourth Proportional to 223,815.20, 336,111.60 and 118,839.20

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Solution

The fourth proportional to 223,815.20, 336,111.60 and 118,839.20 is: 178,465.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,815.20 : 336,111.60 = 118,839.20 : x
  2. Step 2: Convert to fraction form
    223,815.20/336,111.60 = 118,839.20/x
  3. Step 3: Cross multiply
    223,815.20x = 336,111.60 × 118,839.20
  4. Step 4: Simplify right side
    223,815.20x = 39,943,233,654.72
  5. Step 5: Solve for x
    x = 39,943,233,654.72/223,815.20
  6. Step 6: Final answer
    x = 178,465.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.