Home / 199,440.05-275,288.67-122,983.13

Finding the Fourth Proportional to 199,440.05, 275,288.67 and 122,983.13

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Solution

The fourth proportional to 199,440.05, 275,288.67 and 122,983.13 is: 169,754.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,440.05 : 275,288.67 = 122,983.13 : x
  2. Step 2: Convert to fraction form
    199,440.05/275,288.67 = 122,983.13/x
  3. Step 3: Cross multiply
    199,440.05x = 275,288.67 × 122,983.13
  4. Step 4: Simplify right side
    199,440.05x = 33,855,862,978.36
  5. Step 5: Solve for x
    x = 33,855,862,978.36/199,440.05
  6. Step 6: Final answer
    x = 169,754.59

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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.