Home / 129,159.90-193,739.57-35,665.38

Finding the Fourth Proportional to 129,159.90, 193,739.57 and 35,665.38

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Solution

The fourth proportional to 129,159.90, 193,739.57 and 35,665.38 is: 53,497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,159.90 : 193,739.57 = 35,665.38 : x
  2. Step 2: Convert to fraction form
    129,159.90/193,739.57 = 35,665.38/x
  3. Step 3: Cross multiply
    129,159.90x = 193,739.57 × 35,665.38
  4. Step 4: Simplify right side
    129,159.90x = 6,909,794,238.06
  5. Step 5: Solve for x
    x = 6,909,794,238.06/129,159.90
  6. Step 6: Final answer
    x = 53,497.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.