Home / 136,185.33-204,377.64-69,681.09

Finding the Fourth Proportional to 136,185.33, 204,377.64 and 69,681.09

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Solution

The fourth proportional to 136,185.33, 204,377.64 and 69,681.09 is: 104,572.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,185.33 : 204,377.64 = 69,681.09 : x
  2. Step 2: Convert to fraction form
    136,185.33/204,377.64 = 69,681.09/x
  3. Step 3: Cross multiply
    136,185.33x = 204,377.64 × 69,681.09
  4. Step 4: Simplify right side
    136,185.33x = 14,241,256,726.83
  5. Step 5: Solve for x
    x = 14,241,256,726.83/136,185.33
  6. Step 6: Final answer
    x = 104,572.62

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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.