Home / 78,212.97-117,313.34-22,050.81

Finding the Fourth Proportional to 78,212.97, 117,313.34 and 22,050.81

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Solution

The fourth proportional to 78,212.97, 117,313.34 and 22,050.81 is: 33,074.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,212.97 : 117,313.34 = 22,050.81 : x
  2. Step 2: Convert to fraction form
    78,212.97/117,313.34 = 22,050.81/x
  3. Step 3: Cross multiply
    78,212.97x = 117,313.34 × 22,050.81
  4. Step 4: Simplify right side
    78,212.97x = 2,586,854,060.55
  5. Step 5: Solve for x
    x = 2,586,854,060.55/78,212.97
  6. Step 6: Final answer
    x = 33,074.49

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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.