Home / 213,756.23-294,897.86-123,063.54

Finding the Fourth Proportional to 213,756.23, 294,897.86 and 123,063.54

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Solution

The fourth proportional to 213,756.23, 294,897.86 and 123,063.54 is: 169,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,756.23 : 294,897.86 = 123,063.54 : x
  2. Step 2: Convert to fraction form
    213,756.23/294,897.86 = 123,063.54/x
  3. Step 3: Cross multiply
    213,756.23x = 294,897.86 × 123,063.54
  4. Step 4: Simplify right side
    213,756.23x = 36,291,173,126.87
  5. Step 5: Solve for x
    x = 36,291,173,126.87/213,756.23
  6. Step 6: Final answer
    x = 169,778.32

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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.