Home / 127,158.64-190,767.06-55,123.64

Finding the Fourth Proportional to 127,158.64, 190,767.06 and 55,123.64

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Solution

The fourth proportional to 127,158.64, 190,767.06 and 55,123.64 is: 82,698.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,158.64 : 190,767.06 = 55,123.64 : x
  2. Step 2: Convert to fraction form
    127,158.64/190,767.06 = 55,123.64/x
  3. Step 3: Cross multiply
    127,158.64x = 190,767.06 × 55,123.64
  4. Step 4: Simplify right side
    127,158.64x = 10,515,774,739.30
  5. Step 5: Solve for x
    x = 10,515,774,739.30/127,158.64
  6. Step 6: Final answer
    x = 82,698.07

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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.