Home / 134,177.13-185,326.83-97,821

Finding the Fourth Proportional to 134,177.13, 185,326.83 and 97,821

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Solution

The fourth proportional to 134,177.13, 185,326.83 and 97,821 is: 135,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,177.13 : 185,326.83 = 97,821 : x
  2. Step 2: Convert to fraction form
    134,177.13/185,326.83 = 97,821/x
  3. Step 3: Cross multiply
    134,177.13x = 185,326.83 × 97,821
  4. Step 4: Simplify right side
    134,177.13x = 18,128,855,837.43
  5. Step 5: Solve for x
    x = 18,128,855,837.43/134,177.13
  6. Step 6: Final answer
    x = 135,111.37

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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.