Home / 127,136.86-190,705.25-48,251.09

Finding the Fourth Proportional to 127,136.86, 190,705.25 and 48,251.09

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Solution

The fourth proportional to 127,136.86, 190,705.25 and 48,251.09 is: 72,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,136.86 : 190,705.25 = 48,251.09 : x
  2. Step 2: Convert to fraction form
    127,136.86/190,705.25 = 48,251.09/x
  3. Step 3: Cross multiply
    127,136.86x = 190,705.25 × 48,251.09
  4. Step 4: Simplify right side
    127,136.86x = 9,201,736,778.61
  5. Step 5: Solve for x
    x = 9,201,736,778.61/127,136.86
  6. Step 6: Final answer
    x = 72,376.63

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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.