Home / 141,892.25-195,812.63-78,232.32

Finding the Fourth Proportional to 141,892.25, 195,812.63 and 78,232.32

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Solution

The fourth proportional to 141,892.25, 195,812.63 and 78,232.32 is: 107,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,892.25 : 195,812.63 = 78,232.32 : x
  2. Step 2: Convert to fraction form
    141,892.25/195,812.63 = 78,232.32/x
  3. Step 3: Cross multiply
    141,892.25x = 195,812.63 × 78,232.32
  4. Step 4: Simplify right side
    141,892.25x = 15,318,875,939.04
  5. Step 5: Solve for x
    x = 15,318,875,939.04/141,892.25
  6. Step 6: Final answer
    x = 107,961.33

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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.