Home / 126,289.66-174,279.37-69,700.63

Finding the Fourth Proportional to 126,289.66, 174,279.37 and 69,700.63

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Solution

The fourth proportional to 126,289.66, 174,279.37 and 69,700.63 is: 96,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,289.66 : 174,279.37 = 69,700.63 : x
  2. Step 2: Convert to fraction form
    126,289.66/174,279.37 = 69,700.63/x
  3. Step 3: Cross multiply
    126,289.66x = 174,279.37 × 69,700.63
  4. Step 4: Simplify right side
    126,289.66x = 12,147,380,839.35
  5. Step 5: Solve for x
    x = 12,147,380,839.35/126,289.66
  6. Step 6: Final answer
    x = 96,186.67

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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.