Home / 127,786.49-191,672.80-39,033.07

Finding the Fourth Proportional to 127,786.49, 191,672.80 and 39,033.07

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Solution

The fourth proportional to 127,786.49, 191,672.80 and 39,033.07 is: 58,547.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,786.49 : 191,672.80 = 39,033.07 : x
  2. Step 2: Convert to fraction form
    127,786.49/191,672.80 = 39,033.07/x
  3. Step 3: Cross multiply
    127,786.49x = 191,672.80 × 39,033.07
  4. Step 4: Simplify right side
    127,786.49x = 7,481,577,819.50
  5. Step 5: Solve for x
    x = 7,481,577,819.50/127,786.49
  6. Step 6: Final answer
    x = 58,547.49

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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.