Home / 123,743.19-185,644.97-39,503.37

Finding the Fourth Proportional to 123,743.19, 185,644.97 and 39,503.37

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Solution

The fourth proportional to 123,743.19, 185,644.97 and 39,503.37 is: 59,264.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,743.19 : 185,644.97 = 39,503.37 : x
  2. Step 2: Convert to fraction form
    123,743.19/185,644.97 = 39,503.37/x
  3. Step 3: Cross multiply
    123,743.19x = 185,644.97 × 39,503.37
  4. Step 4: Simplify right side
    123,743.19x = 7,333,601,938.55
  5. Step 5: Solve for x
    x = 7,333,601,938.55/123,743.19
  6. Step 6: Final answer
    x = 59,264.69

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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.