Home / 95,377.81-131,612.37-57,136.72

Finding the Fourth Proportional to 95,377.81, 131,612.37 and 57,136.72

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Solution

The fourth proportional to 95,377.81, 131,612.37 and 57,136.72 is: 78,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,377.81 : 131,612.37 = 57,136.72 : x
  2. Step 2: Convert to fraction form
    95,377.81/131,612.37 = 57,136.72/x
  3. Step 3: Cross multiply
    95,377.81x = 131,612.37 × 57,136.72
  4. Step 4: Simplify right side
    95,377.81x = 7,519,899,133.23
  5. Step 5: Solve for x
    x = 7,519,899,133.23/95,377.81
  6. Step 6: Final answer
    x = 78,843.28

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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.