Home / 127,147.89-190,725.08-38,404.29

Finding the Fourth Proportional to 127,147.89, 190,725.08 and 38,404.29

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Solution

The fourth proportional to 127,147.89, 190,725.08 and 38,404.29 is: 57,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,147.89 : 190,725.08 = 38,404.29 : x
  2. Step 2: Convert to fraction form
    127,147.89/190,725.08 = 38,404.29/x
  3. Step 3: Cross multiply
    127,147.89x = 190,725.08 × 38,404.29
  4. Step 4: Simplify right side
    127,147.89x = 7,324,661,090.57
  5. Step 5: Solve for x
    x = 7,324,661,090.57/127,147.89
  6. Step 6: Final answer
    x = 57,607.41

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1.5x scale

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.