Home / 127,279.65-190,628.79-60,766.71

Finding the Fourth Proportional to 127,279.65, 190,628.79 and 60,766.71

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Solution

The fourth proportional to 127,279.65, 190,628.79 and 60,766.71 is: 91,011.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,279.65 : 190,628.79 = 60,766.71 : x
  2. Step 2: Convert to fraction form
    127,279.65/190,628.79 = 60,766.71/x
  3. Step 3: Cross multiply
    127,279.65x = 190,628.79 × 60,766.71
  4. Step 4: Simplify right side
    127,279.65x = 11,583,883,798.66
  5. Step 5: Solve for x
    x = 11,583,883,798.66/127,279.65
  6. Step 6: Final answer
    x = 91,011.28

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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.