Home / 84,322.58-126,446.18-25,142.36

Finding the Fourth Proportional to 84,322.58, 126,446.18 and 25,142.36

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Solution

The fourth proportional to 84,322.58, 126,446.18 and 25,142.36 is: 37,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,322.58 : 126,446.18 = 25,142.36 : x
  2. Step 2: Convert to fraction form
    84,322.58/126,446.18 = 25,142.36/x
  3. Step 3: Cross multiply
    84,322.58x = 126,446.18 × 25,142.36
  4. Step 4: Simplify right side
    84,322.58x = 3,179,155,378.18
  5. Step 5: Solve for x
    x = 3,179,155,378.18/84,322.58
  6. Step 6: Final answer
    x = 37,702.30

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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.