Home / 190,211.46-262,492.16-102,997.55

Finding the Fourth Proportional to 190,211.46, 262,492.16 and 102,997.55

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Solution

The fourth proportional to 190,211.46, 262,492.16 and 102,997.55 is: 142,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,211.46 : 262,492.16 = 102,997.55 : x
  2. Step 2: Convert to fraction form
    190,211.46/262,492.16 = 102,997.55/x
  3. Step 3: Cross multiply
    190,211.46x = 262,492.16 × 102,997.55
  4. Step 4: Simplify right side
    190,211.46x = 27,036,047,546.76
  5. Step 5: Solve for x
    x = 27,036,047,546.76/190,211.46
  6. Step 6: Final answer
    x = 142,136.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.