Home / 127,021.83-190,395.65-55,881.15

Finding the Fourth Proportional to 127,021.83, 190,395.65 and 55,881.15

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Solution

The fourth proportional to 127,021.83, 190,395.65 and 55,881.15 is: 83,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,021.83 : 190,395.65 = 55,881.15 : x
  2. Step 2: Convert to fraction form
    127,021.83/190,395.65 = 55,881.15/x
  3. Step 3: Cross multiply
    127,021.83x = 190,395.65 × 55,881.15
  4. Step 4: Simplify right side
    127,021.83x = 10,639,527,877.00
  5. Step 5: Solve for x
    x = 10,639,527,877.00/127,021.83
  6. Step 6: Final answer
    x = 83,761.41

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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.