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Finding the Fourth Proportional to 183,540.40, 253,374.90 and 123,089.08

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Solution

The fourth proportional to 183,540.40, 253,374.90 and 123,089.08 is: 169,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,540.40 : 253,374.90 = 123,089.08 : x
  2. Step 2: Convert to fraction form
    183,540.40/253,374.90 = 123,089.08/x
  3. Step 3: Cross multiply
    183,540.40x = 253,374.90 × 123,089.08
  4. Step 4: Simplify right side
    183,540.40x = 31,187,683,336.09
  5. Step 5: Solve for x
    x = 31,187,683,336.09/183,540.40
  6. Step 6: Final answer
    x = 169,922.72

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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.