Home / 141,892.14-195,812.48-78,232.20

Finding the Fourth Proportional to 141,892.14, 195,812.48 and 78,232.20

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Solution

The fourth proportional to 141,892.14, 195,812.48 and 78,232.20 is: 107,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,892.14 : 195,812.48 = 78,232.20 : x
  2. Step 2: Convert to fraction form
    141,892.14/195,812.48 = 78,232.20/x
  3. Step 3: Cross multiply
    141,892.14x = 195,812.48 × 78,232.20
  4. Step 4: Simplify right side
    141,892.14x = 15,318,840,706.70
  5. Step 5: Solve for x
    x = 15,318,840,706.70/141,892.14
  6. Step 6: Final answer
    x = 107,961.16

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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.