Home / 136,047.94-187,317.34-123,436.58

Finding the Fourth Proportional to 136,047.94, 187,317.34 and 123,436.58

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Solution

The fourth proportional to 136,047.94, 187,317.34 and 123,436.58 is: 169,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,047.94 : 187,317.34 = 123,436.58 : x
  2. Step 2: Convert to fraction form
    136,047.94/187,317.34 = 123,436.58/x
  3. Step 3: Cross multiply
    136,047.94x = 187,317.34 × 123,436.58
  4. Step 4: Simplify right side
    136,047.94x = 23,121,811,824.30
  5. Step 5: Solve for x
    x = 23,121,811,824.30/136,047.94
  6. Step 6: Final answer
    x = 169,953.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.