Home / 127,118.26-190,678.76-38,372.54

Finding the Fourth Proportional to 127,118.26, 190,678.76 and 38,372.54

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Solution

The fourth proportional to 127,118.26, 190,678.76 and 38,372.54 is: 57,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,118.26 : 190,678.76 = 38,372.54 : x
  2. Step 2: Convert to fraction form
    127,118.26/190,678.76 = 38,372.54/x
  3. Step 3: Cross multiply
    127,118.26x = 190,678.76 × 38,372.54
  4. Step 4: Simplify right side
    127,118.26x = 7,316,827,343.89
  5. Step 5: Solve for x
    x = 7,316,827,343.89/127,118.26
  6. Step 6: Final answer
    x = 57,559.22

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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.