Home / 84,813.12-127,195.20-34,212.16

Finding the Fourth Proportional to 84,813.12, 127,195.20 and 34,212.16

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Solution

The fourth proportional to 84,813.12, 127,195.20 and 34,212.16 is: 51,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,813.12 : 127,195.20 = 34,212.16 : x
  2. Step 2: Convert to fraction form
    84,813.12/127,195.20 = 34,212.16/x
  3. Step 3: Cross multiply
    84,813.12x = 127,195.20 × 34,212.16
  4. Step 4: Simplify right side
    84,813.12x = 4,351,622,533.63
  5. Step 5: Solve for x
    x = 4,351,622,533.63/84,813.12
  6. Step 6: Final answer
    x = 51,308.37

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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.