Home / 127,288.48-190,923-43,055.68

Finding the Fourth Proportional to 127,288.48, 190,923 and 43,055.68

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Solution

The fourth proportional to 127,288.48, 190,923 and 43,055.68 is: 64,580.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,288.48 : 190,923 = 43,055.68 : x
  2. Step 2: Convert to fraction form
    127,288.48/190,923 = 43,055.68/x
  3. Step 3: Cross multiply
    127,288.48x = 190,923 × 43,055.68
  4. Step 4: Simplify right side
    127,288.48x = 8,220,319,592.64
  5. Step 5: Solve for x
    x = 8,220,319,592.64/127,288.48
  6. Step 6: Final answer
    x = 64,580.23

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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.