Home / 127,272.63-190,911.38-38,525.79

Finding the Fourth Proportional to 127,272.63, 190,911.38 and 38,525.79

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Solution

The fourth proportional to 127,272.63, 190,911.38 and 38,525.79 is: 57,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,272.63 : 190,911.38 = 38,525.79 : x
  2. Step 2: Convert to fraction form
    127,272.63/190,911.38 = 38,525.79/x
  3. Step 3: Cross multiply
    127,272.63x = 190,911.38 × 38,525.79
  4. Step 4: Simplify right side
    127,272.63x = 7,355,011,541.86
  5. Step 5: Solve for x
    x = 7,355,011,541.86/127,272.63
  6. Step 6: Final answer
    x = 57,789.42

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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.