Home / 190,129.35-262,482.44-129,789.93

Finding the Fourth Proportional to 190,129.35, 262,482.44 and 129,789.93

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Solution

The fourth proportional to 190,129.35, 262,482.44 and 129,789.93 is: 179,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,129.35 : 262,482.44 = 129,789.93 : x
  2. Step 2: Convert to fraction form
    190,129.35/262,482.44 = 129,789.93/x
  3. Step 3: Cross multiply
    190,129.35x = 262,482.44 × 129,789.93
  4. Step 4: Simplify right side
    190,129.35x = 34,067,576,864.88
  5. Step 5: Solve for x
    x = 34,067,576,864.88/190,129.35
  6. Step 6: Final answer
    x = 179,181.05

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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.