Home / 140,078.88-193,274.40-89,845.92

Finding the Fourth Proportional to 140,078.88, 193,274.40 and 89,845.92

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Solution

The fourth proportional to 140,078.88, 193,274.40 and 89,845.92 is: 123,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,078.88 : 193,274.40 = 89,845.92 : x
  2. Step 2: Convert to fraction form
    140,078.88/193,274.40 = 89,845.92/x
  3. Step 3: Cross multiply
    140,078.88x = 193,274.40 × 89,845.92
  4. Step 4: Simplify right side
    140,078.88x = 17,364,916,280.45
  5. Step 5: Solve for x
    x = 17,364,916,280.45/140,078.88
  6. Step 6: Final answer
    x = 123,965.27

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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.