Home / 84,254.40-126,344.70-25,078.28

Finding the Fourth Proportional to 84,254.40, 126,344.70 and 25,078.28

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Solution

The fourth proportional to 84,254.40, 126,344.70 and 25,078.28 is: 37,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,254.40 : 126,344.70 = 25,078.28 : x
  2. Step 2: Convert to fraction form
    84,254.40/126,344.70 = 25,078.28/x
  3. Step 3: Cross multiply
    84,254.40x = 126,344.70 × 25,078.28
  4. Step 4: Simplify right side
    84,254.40x = 3,168,507,131.39
  5. Step 5: Solve for x
    x = 3,168,507,131.39/84,254.40
  6. Step 6: Final answer
    x = 37,606.43

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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.