Home / 129,206.48-193,837.68-39,241.82

Finding the Fourth Proportional to 129,206.48, 193,837.68 and 39,241.82

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Solution

The fourth proportional to 129,206.48, 193,837.68 and 39,241.82 is: 58,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,206.48 : 193,837.68 = 39,241.82 : x
  2. Step 2: Convert to fraction form
    129,206.48/193,837.68 = 39,241.82/x
  3. Step 3: Cross multiply
    129,206.48x = 193,837.68 × 39,241.82
  4. Step 4: Simplify right side
    129,206.48x = 7,606,543,347.78
  5. Step 5: Solve for x
    x = 7,606,543,347.78/129,206.48
  6. Step 6: Final answer
    x = 58,871.22

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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.