Home / 130,383.66-179,923.23-80,072.94

Finding the Fourth Proportional to 130,383.66, 179,923.23 and 80,072.94

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Solution

The fourth proportional to 130,383.66, 179,923.23 and 80,072.94 is: 110,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,383.66 : 179,923.23 = 80,072.94 : x
  2. Step 2: Convert to fraction form
    130,383.66/179,923.23 = 80,072.94/x
  3. Step 3: Cross multiply
    130,383.66x = 179,923.23 × 80,072.94
  4. Step 4: Simplify right side
    130,383.66x = 14,406,982,000.40
  5. Step 5: Solve for x
    x = 14,406,982,000.40/130,383.66
  6. Step 6: Final answer
    x = 110,496.84

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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.