Home / 134,451.03-185,535.39-74,009.88

Finding the Fourth Proportional to 134,451.03, 185,535.39 and 74,009.88

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Solution

The fourth proportional to 134,451.03, 185,535.39 and 74,009.88 is: 102,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,451.03 : 185,535.39 = 74,009.88 : x
  2. Step 2: Convert to fraction form
    134,451.03/185,535.39 = 74,009.88/x
  3. Step 3: Cross multiply
    134,451.03x = 185,535.39 × 74,009.88
  4. Step 4: Simplify right side
    134,451.03x = 13,731,452,227.19
  5. Step 5: Solve for x
    x = 13,731,452,227.19/134,451.03
  6. Step 6: Final answer
    x = 102,129.76

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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.