Home / 127,232.72-190,873.32-51,337.28

Finding the Fourth Proportional to 127,232.72, 190,873.32 and 51,337.28

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Solution

The fourth proportional to 127,232.72, 190,873.32 and 51,337.28 is: 77,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,232.72 : 190,873.32 = 51,337.28 : x
  2. Step 2: Convert to fraction form
    127,232.72/190,873.32 = 51,337.28/x
  3. Step 3: Cross multiply
    127,232.72x = 190,873.32 × 51,337.28
  4. Step 4: Simplify right side
    127,232.72x = 9,798,917,073.37
  5. Step 5: Solve for x
    x = 9,798,917,073.37/127,232.72
  6. Step 6: Final answer
    x = 77,015.70

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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.