Home / 84,373.12-126,559.74-25,208.80

Finding the Fourth Proportional to 84,373.12, 126,559.74 and 25,208.80

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Solution

The fourth proportional to 84,373.12, 126,559.74 and 25,208.80 is: 37,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,373.12 : 126,559.74 = 25,208.80 : x
  2. Step 2: Convert to fraction form
    84,373.12/126,559.74 = 25,208.80/x
  3. Step 3: Cross multiply
    84,373.12x = 126,559.74 × 25,208.80
  4. Step 4: Simplify right side
    84,373.12x = 3,190,419,173.71
  5. Step 5: Solve for x
    x = 3,190,419,173.71/84,373.12
  6. Step 6: Final answer
    x = 37,813.22

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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.