Home / 140,278.77-193,584.78-76,616.82

Finding the Fourth Proportional to 140,278.77, 193,584.78 and 76,616.82

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Solution

The fourth proportional to 140,278.77, 193,584.78 and 76,616.82 is: 105,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,278.77 : 193,584.78 = 76,616.82 : x
  2. Step 2: Convert to fraction form
    140,278.77/193,584.78 = 76,616.82/x
  3. Step 3: Cross multiply
    140,278.77x = 193,584.78 × 76,616.82
  4. Step 4: Simplify right side
    140,278.77x = 14,831,850,244.00
  5. Step 5: Solve for x
    x = 14,831,850,244.00/140,278.77
  6. Step 6: Final answer
    x = 105,731.25

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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.