Home / 223,021.50-307,774.25-126,225.35

Finding the Fourth Proportional to 223,021.50, 307,774.25 and 126,225.35

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Solution

The fourth proportional to 223,021.50, 307,774.25 and 126,225.35 is: 174,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,021.50 : 307,774.25 = 126,225.35 : x
  2. Step 2: Convert to fraction form
    223,021.50/307,774.25 = 126,225.35/x
  3. Step 3: Cross multiply
    223,021.50x = 307,774.25 × 126,225.35
  4. Step 4: Simplify right side
    223,021.50x = 38,848,912,427.24
  5. Step 5: Solve for x
    x = 38,848,912,427.24/223,021.50
  6. Step 6: Final answer
    x = 174,193.58

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1.5x scale

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.