Home / 122,511.49-183,656.26-85,089.22

Finding the Fourth Proportional to 122,511.49, 183,656.26 and 85,089.22

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Solution

The fourth proportional to 122,511.49, 183,656.26 and 85,089.22 is: 127,556.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,511.49 : 183,656.26 = 85,089.22 : x
  2. Step 2: Convert to fraction form
    122,511.49/183,656.26 = 85,089.22/x
  3. Step 3: Cross multiply
    122,511.49x = 183,656.26 × 85,089.22
  4. Step 4: Simplify right side
    122,511.49x = 15,627,167,558.74
  5. Step 5: Solve for x
    x = 15,627,167,558.74/122,511.49
  6. Step 6: Final answer
    x = 127,556.75

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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.