Home / 127,003.28-190,371.54-42,734.18

Finding the Fourth Proportional to 127,003.28, 190,371.54 and 42,734.18

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Solution

The fourth proportional to 127,003.28, 190,371.54 and 42,734.18 is: 64,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,003.28 : 190,371.54 = 42,734.18 : x
  2. Step 2: Convert to fraction form
    127,003.28/190,371.54 = 42,734.18/x
  3. Step 3: Cross multiply
    127,003.28x = 190,371.54 × 42,734.18
  4. Step 4: Simplify right side
    127,003.28x = 8,135,371,657.24
  5. Step 5: Solve for x
    x = 8,135,371,657.24/127,003.28
  6. Step 6: Final answer
    x = 64,056.39

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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.