Home / 126,837.36-190,207.08-38,070

Finding the Fourth Proportional to 126,837.36, 190,207.08 and 38,070

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Solution

The fourth proportional to 126,837.36, 190,207.08 and 38,070 is: 57,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,837.36 : 190,207.08 = 38,070 : x
  2. Step 2: Convert to fraction form
    126,837.36/190,207.08 = 38,070/x
  3. Step 3: Cross multiply
    126,837.36x = 190,207.08 × 38,070
  4. Step 4: Simplify right side
    126,837.36x = 7,241,183,535.60
  5. Step 5: Solve for x
    x = 7,241,183,535.60/126,837.36
  6. Step 6: Final answer
    x = 57,090.30

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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.