Home / 213,071.85-294,089.48-122,480.37

Finding the Fourth Proportional to 213,071.85, 294,089.48 and 122,480.37

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Solution

The fourth proportional to 213,071.85, 294,089.48 and 122,480.37 is: 169,051.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,071.85 : 294,089.48 = 122,480.37 : x
  2. Step 2: Convert to fraction form
    213,071.85/294,089.48 = 122,480.37/x
  3. Step 3: Cross multiply
    213,071.85x = 294,089.48 × 122,480.37
  4. Step 4: Simplify right side
    213,071.85x = 36,020,186,914.47
  5. Step 5: Solve for x
    x = 36,020,186,914.47/213,071.85
  6. Step 6: Final answer
    x = 169,051.83

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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.