Home / 223,021.62-307,774.42-126,225.47

Finding the Fourth Proportional to 223,021.62, 307,774.42 and 126,225.47

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Solution

The fourth proportional to 223,021.62, 307,774.42 and 126,225.47 is: 174,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,021.62 : 307,774.42 = 126,225.47 : x
  2. Step 2: Convert to fraction form
    223,021.62/307,774.42 = 126,225.47/x
  3. Step 3: Cross multiply
    223,021.62x = 307,774.42 × 126,225.47
  4. Step 4: Simplify right side
    223,021.62x = 38,848,971,272.35
  5. Step 5: Solve for x
    x = 38,848,971,272.35/223,021.62
  6. Step 6: Final answer
    x = 174,193.75

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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.