Home / 127,071.55-190,608.69-38,325.83

Finding the Fourth Proportional to 127,071.55, 190,608.69 and 38,325.83

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Solution

The fourth proportional to 127,071.55, 190,608.69 and 38,325.83 is: 57,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,071.55 : 190,608.69 = 38,325.83 : x
  2. Step 2: Convert to fraction form
    127,071.55/190,608.69 = 38,325.83/x
  3. Step 3: Cross multiply
    127,071.55x = 190,608.69 × 38,325.83
  4. Step 4: Simplify right side
    127,071.55x = 7,305,235,296.42
  5. Step 5: Solve for x
    x = 7,305,235,296.42/127,071.55
  6. Step 6: Final answer
    x = 57,489.15

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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.