Home / 78,295.24-117,421.26-22,130.92

Finding the Fourth Proportional to 78,295.24, 117,421.26 and 22,130.92

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Solution

The fourth proportional to 78,295.24, 117,421.26 and 22,130.92 is: 33,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,295.24 : 117,421.26 = 22,130.92 : x
  2. Step 2: Convert to fraction form
    78,295.24/117,421.26 = 22,130.92/x
  3. Step 3: Cross multiply
    78,295.24x = 117,421.26 × 22,130.92
  4. Step 4: Simplify right side
    78,295.24x = 2,598,640,511.36
  5. Step 5: Solve for x
    x = 2,598,640,511.36/78,295.24
  6. Step 6: Final answer
    x = 33,190.27

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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.