Home / 139,935.45-193,110.46-76,273.25

Finding the Fourth Proportional to 139,935.45, 193,110.46 and 76,273.25

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Solution

The fourth proportional to 139,935.45, 193,110.46 and 76,273.25 is: 105,256.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,935.45 : 193,110.46 = 76,273.25 : x
  2. Step 2: Convert to fraction form
    139,935.45/193,110.46 = 76,273.25/x
  3. Step 3: Cross multiply
    139,935.45x = 193,110.46 × 76,273.25
  4. Step 4: Simplify right side
    139,935.45x = 14,729,161,666.00
  5. Step 5: Solve for x
    x = 14,729,161,666.00/139,935.45
  6. Step 6: Final answer
    x = 105,256.83

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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.