Home / 79,313.32-118,973.21-20,150.52

Finding the Fourth Proportional to 79,313.32, 118,973.21 and 20,150.52

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Solution

The fourth proportional to 79,313.32, 118,973.21 and 20,150.52 is: 30,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,313.32 : 118,973.21 = 20,150.52 : x
  2. Step 2: Convert to fraction form
    79,313.32/118,973.21 = 20,150.52/x
  3. Step 3: Cross multiply
    79,313.32x = 118,973.21 × 20,150.52
  4. Step 4: Simplify right side
    79,313.32x = 2,397,372,047.57
  5. Step 5: Solve for x
    x = 2,397,372,047.57/79,313.32
  6. Step 6: Final answer
    x = 30,226.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.