Home / 127,027.04-190,406.16-47,013.48

Finding the Fourth Proportional to 127,027.04, 190,406.16 and 47,013.48

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Solution

The fourth proportional to 127,027.04, 190,406.16 and 47,013.48 is: 70,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,027.04 : 190,406.16 = 47,013.48 : x
  2. Step 2: Convert to fraction form
    127,027.04/190,406.16 = 47,013.48/x
  3. Step 3: Cross multiply
    127,027.04x = 190,406.16 × 47,013.48
  4. Step 4: Simplify right side
    127,027.04x = 8,951,656,195.04
  5. Step 5: Solve for x
    x = 8,951,656,195.04/127,027.04
  6. Step 6: Final answer
    x = 70,470.48

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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.