Home / 127,020.44-190,531.00-42,839.74

Finding the Fourth Proportional to 127,020.44, 190,531.00 and 42,839.74

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Solution

The fourth proportional to 127,020.44, 190,531.00 and 42,839.74 is: 64,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,020.44 : 190,531.00 = 42,839.74 : x
  2. Step 2: Convert to fraction form
    127,020.44/190,531.00 = 42,839.74/x
  3. Step 3: Cross multiply
    127,020.44x = 190,531.00 × 42,839.74
  4. Step 4: Simplify right side
    127,020.44x = 8,162,297,918.51
  5. Step 5: Solve for x
    x = 8,162,297,918.51/127,020.44
  6. Step 6: Final answer
    x = 64,259.72

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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.