Home / 127,079.97-190,564.57-42,824.43

Finding the Fourth Proportional to 127,079.97, 190,564.57 and 42,824.43

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Solution

The fourth proportional to 127,079.97, 190,564.57 and 42,824.43 is: 64,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,079.97 : 190,564.57 = 42,824.43 : x
  2. Step 2: Convert to fraction form
    127,079.97/190,564.57 = 42,824.43/x
  3. Step 3: Cross multiply
    127,079.97x = 190,564.57 × 42,824.43
  4. Step 4: Simplify right side
    127,079.97x = 8,160,817,921.50
  5. Step 5: Solve for x
    x = 8,160,817,921.50/127,079.97
  6. Step 6: Final answer
    x = 64,217.97

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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.