Home / 78,080.06-117,110.37-25,485.14

Finding the Fourth Proportional to 78,080.06, 117,110.37 and 25,485.14

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Solution

The fourth proportional to 78,080.06, 117,110.37 and 25,485.14 is: 38,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,080.06 : 117,110.37 = 25,485.14 : x
  2. Step 2: Convert to fraction form
    78,080.06/117,110.37 = 25,485.14/x
  3. Step 3: Cross multiply
    78,080.06x = 117,110.37 × 25,485.14
  4. Step 4: Simplify right side
    78,080.06x = 2,984,574,174.90
  5. Step 5: Solve for x
    x = 2,984,574,174.90/78,080.06
  6. Step 6: Final answer
    x = 38,224.54

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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.