Home / 122,500.10-183,604.35-51,422.60

Finding the Fourth Proportional to 122,500.10, 183,604.35 and 51,422.60

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Solution

The fourth proportional to 122,500.10, 183,604.35 and 51,422.60 is: 77,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,500.10 : 183,604.35 = 51,422.60 : x
  2. Step 2: Convert to fraction form
    122,500.10/183,604.35 = 51,422.60/x
  3. Step 3: Cross multiply
    122,500.10x = 183,604.35 × 51,422.60
  4. Step 4: Simplify right side
    122,500.10x = 9,441,413,048.31
  5. Step 5: Solve for x
    x = 9,441,413,048.31/122,500.10
  6. Step 6: Final answer
    x = 77,072.70

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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.