Home / 127,288.20-190,874.70-48,376.20

Finding the Fourth Proportional to 127,288.20, 190,874.70 and 48,376.20

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Solution

The fourth proportional to 127,288.20, 190,874.70 and 48,376.20 is: 72,542.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,288.20 : 190,874.70 = 48,376.20 : x
  2. Step 2: Convert to fraction form
    127,288.20/190,874.70 = 48,376.20/x
  3. Step 3: Cross multiply
    127,288.20x = 190,874.70 × 48,376.20
  4. Step 4: Simplify right side
    127,288.20x = 9,233,792,662.14
  5. Step 5: Solve for x
    x = 9,233,792,662.14/127,288.20
  6. Step 6: Final answer
    x = 72,542.41

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1.5x scale

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.