Home / 223,511.10-308,369.83-126,704.57

Finding the Fourth Proportional to 223,511.10, 308,369.83 and 126,704.57

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Solution

The fourth proportional to 223,511.10, 308,369.83 and 126,704.57 is: 174,809.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,511.10 : 308,369.83 = 126,704.57 : x
  2. Step 2: Convert to fraction form
    223,511.10/308,369.83 = 126,704.57/x
  3. Step 3: Cross multiply
    223,511.10x = 308,369.83 × 126,704.57
  4. Step 4: Simplify right side
    223,511.10x = 39,071,866,468.31
  5. Step 5: Solve for x
    x = 39,071,866,468.31/223,511.10
  6. Step 6: Final answer
    x = 174,809.52

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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.