Home / 79,313.06-118,972.85-20,150.26

Finding the Fourth Proportional to 79,313.06, 118,972.85 and 20,150.26

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Solution

The fourth proportional to 79,313.06, 118,972.85 and 20,150.26 is: 30,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,313.06 : 118,972.85 = 20,150.26 : x
  2. Step 2: Convert to fraction form
    79,313.06/118,972.85 = 20,150.26/x
  3. Step 3: Cross multiply
    79,313.06x = 118,972.85 × 20,150.26
  4. Step 4: Simplify right side
    79,313.06x = 2,397,333,462.26
  5. Step 5: Solve for x
    x = 2,397,333,462.26/79,313.06
  6. Step 6: Final answer
    x = 30,226.21

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1.5x scale

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.