Home / 136,192.51-187,923.90-75,763

Finding the Fourth Proportional to 136,192.51, 187,923.90 and 75,763

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Solution

The fourth proportional to 136,192.51, 187,923.90 and 75,763 is: 104,540.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,192.51 : 187,923.90 = 75,763 : x
  2. Step 2: Convert to fraction form
    136,192.51/187,923.90 = 75,763/x
  3. Step 3: Cross multiply
    136,192.51x = 187,923.90 × 75,763
  4. Step 4: Simplify right side
    136,192.51x = 14,237,678,435.70
  5. Step 5: Solve for x
    x = 14,237,678,435.70/136,192.51
  6. Step 6: Final answer
    x = 104,540.83

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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.