Home / 141,670.53-195,507.81-78,006.96

Finding the Fourth Proportional to 141,670.53, 195,507.81 and 78,006.96

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Solution

The fourth proportional to 141,670.53, 195,507.81 and 78,006.96 is: 107,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,670.53 : 195,507.81 = 78,006.96 : x
  2. Step 2: Convert to fraction form
    141,670.53/195,507.81 = 78,006.96/x
  3. Step 3: Cross multiply
    141,670.53x = 195,507.81 × 78,006.96
  4. Step 4: Simplify right side
    141,670.53x = 15,250,969,914.36
  5. Step 5: Solve for x
    x = 15,250,969,914.36/141,670.53
  6. Step 6: Final answer
    x = 107,650.97

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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.