Home / 122,131.80-183,223.86-37,890.15

Finding the Fourth Proportional to 122,131.80, 183,223.86 and 37,890.15

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Solution

The fourth proportional to 122,131.80, 183,223.86 and 37,890.15 is: 56,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,131.80 : 183,223.86 = 37,890.15 : x
  2. Step 2: Convert to fraction form
    122,131.80/183,223.86 = 37,890.15/x
  3. Step 3: Cross multiply
    122,131.80x = 183,223.86 × 37,890.15
  4. Step 4: Simplify right side
    122,131.80x = 6,942,379,538.98
  5. Step 5: Solve for x
    x = 6,942,379,538.98/122,131.80
  6. Step 6: Final answer
    x = 56,843.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.