Home / 134,451.08-185,535.44-74,009.92

Finding the Fourth Proportional to 134,451.08, 185,535.44 and 74,009.92

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Solution

The fourth proportional to 134,451.08, 185,535.44 and 74,009.92 is: 102,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,451.08 : 185,535.44 = 74,009.92 : x
  2. Step 2: Convert to fraction form
    134,451.08/185,535.44 = 74,009.92/x
  3. Step 3: Cross multiply
    134,451.08x = 185,535.44 × 74,009.92
  4. Step 4: Simplify right side
    134,451.08x = 13,731,462,607.73
  5. Step 5: Solve for x
    x = 13,731,462,607.73/134,451.08
  6. Step 6: Final answer
    x = 102,129.81

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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.