Home / 136,879.38-187,521.57-131,762.34

Finding the Fourth Proportional to 136,879.38, 187,521.57 and 131,762.34

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Solution

The fourth proportional to 136,879.38, 187,521.57 and 131,762.34 is: 180,511.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,879.38 : 187,521.57 = 131,762.34 : x
  2. Step 2: Convert to fraction form
    136,879.38/187,521.57 = 131,762.34/x
  3. Step 3: Cross multiply
    136,879.38x = 187,521.57 × 131,762.34
  4. Step 4: Simplify right side
    136,879.38x = 24,708,280,863.67
  5. Step 5: Solve for x
    x = 24,708,280,863.67/136,879.38
  6. Step 6: Final answer
    x = 180,511.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.