Home / 133,729.76-199,399.06-130,055.60

Finding the Fourth Proportional to 133,729.76, 199,399.06 and 130,055.60

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Solution

The fourth proportional to 133,729.76, 199,399.06 and 130,055.60 is: 193,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,729.76 : 199,399.06 = 130,055.60 : x
  2. Step 2: Convert to fraction form
    133,729.76/199,399.06 = 130,055.60/x
  3. Step 3: Cross multiply
    133,729.76x = 199,399.06 × 130,055.60
  4. Step 4: Simplify right side
    133,729.76x = 25,932,964,387.74
  5. Step 5: Solve for x
    x = 25,932,964,387.74/133,729.76
  6. Step 6: Final answer
    x = 193,920.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.