Home / 127,554.64-191,245.26-71,433.28

Finding the Fourth Proportional to 127,554.64, 191,245.26 and 71,433.28

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Solution

The fourth proportional to 127,554.64, 191,245.26 and 71,433.28 is: 107,101.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,554.64 : 191,245.26 = 71,433.28 : x
  2. Step 2: Convert to fraction form
    127,554.64/191,245.26 = 71,433.28/x
  3. Step 3: Cross multiply
    127,554.64x = 191,245.26 × 71,433.28
  4. Step 4: Simplify right side
    127,554.64x = 13,661,276,206.25
  5. Step 5: Solve for x
    x = 13,661,276,206.25/127,554.64
  6. Step 6: Final answer
    x = 107,101.37

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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.