Home / 141,426.32-195,168.96-76,896.20

Finding the Fourth Proportional to 141,426.32, 195,168.96 and 76,896.20

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Solution

The fourth proportional to 141,426.32, 195,168.96 and 76,896.20 is: 106,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,426.32 : 195,168.96 = 76,896.20 : x
  2. Step 2: Convert to fraction form
    141,426.32/195,168.96 = 76,896.20/x
  3. Step 3: Cross multiply
    141,426.32x = 195,168.96 × 76,896.20
  4. Step 4: Simplify right side
    141,426.32x = 15,007,751,381.95
  5. Step 5: Solve for x
    x = 15,007,751,381.95/141,426.32
  6. Step 6: Final answer
    x = 106,117.10

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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.