Home / 122,319-183,504.87-38,077.38

Finding the Fourth Proportional to 122,319, 183,504.87 and 38,077.38

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Solution

The fourth proportional to 122,319, 183,504.87 and 38,077.38 is: 57,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,319 : 183,504.87 = 38,077.38 : x
  2. Step 2: Convert to fraction form
    122,319/183,504.87 = 38,077.38/x
  3. Step 3: Cross multiply
    122,319x = 183,504.87 × 38,077.38
  4. Step 4: Simplify right side
    122,319x = 6,987,384,666.84
  5. Step 5: Solve for x
    x = 6,987,384,666.84/122,319
  6. Step 6: Final answer
    x = 57,124.28

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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.