Home / 223,518.67-308,446.38-126,729.04

Finding the Fourth Proportional to 223,518.67, 308,446.38 and 126,729.04

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Solution

The fourth proportional to 223,518.67, 308,446.38 and 126,729.04 is: 174,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,518.67 : 308,446.38 = 126,729.04 : x
  2. Step 2: Convert to fraction form
    223,518.67/308,446.38 = 126,729.04/x
  3. Step 3: Cross multiply
    223,518.67x = 308,446.38 × 126,729.04
  4. Step 4: Simplify right side
    223,518.67x = 39,089,113,436.10
  5. Step 5: Solve for x
    x = 39,089,113,436.10/223,518.67
  6. Step 6: Final answer
    x = 174,880.75

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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.