Home / 127,084.82-190,628.60-38,339.10

Finding the Fourth Proportional to 127,084.82, 190,628.60 and 38,339.10

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Solution

The fourth proportional to 127,084.82, 190,628.60 and 38,339.10 is: 57,509.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,084.82 : 190,628.60 = 38,339.10 : x
  2. Step 2: Convert to fraction form
    127,084.82/190,628.60 = 38,339.10/x
  3. Step 3: Cross multiply
    127,084.82x = 190,628.60 × 38,339.10
  4. Step 4: Simplify right side
    127,084.82x = 7,308,528,958.26
  5. Step 5: Solve for x
    x = 7,308,528,958.26/127,084.82
  6. Step 6: Final answer
    x = 57,509.06

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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.