Home / 134,354.96-185,390.28-80,628.56

Finding the Fourth Proportional to 134,354.96, 185,390.28 and 80,628.56

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Solution

The fourth proportional to 134,354.96, 185,390.28 and 80,628.56 is: 111,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,354.96 : 185,390.28 = 80,628.56 : x
  2. Step 2: Convert to fraction form
    134,354.96/185,390.28 = 80,628.56/x
  3. Step 3: Cross multiply
    134,354.96x = 185,390.28 × 80,628.56
  4. Step 4: Simplify right side
    134,354.96x = 14,947,751,314.40
  5. Step 5: Solve for x
    x = 14,947,751,314.40/134,354.96
  6. Step 6: Final answer
    x = 111,255.67

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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.