Home / 127,619.96-191,458.49-38,880.41

Finding the Fourth Proportional to 127,619.96, 191,458.49 and 38,880.41

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Solution

The fourth proportional to 127,619.96, 191,458.49 and 38,880.41 is: 58,329.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,619.96 : 191,458.49 = 38,880.41 : x
  2. Step 2: Convert to fraction form
    127,619.96/191,458.49 = 38,880.41/x
  3. Step 3: Cross multiply
    127,619.96x = 191,458.49 × 38,880.41
  4. Step 4: Simplify right side
    127,619.96x = 7,443,983,437.49
  5. Step 5: Solve for x
    x = 7,443,983,437.49/127,619.96
  6. Step 6: Final answer
    x = 58,329.31

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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.