Home / 136,626.48-204,938.78-105,092.69

Finding the Fourth Proportional to 136,626.48, 204,938.78 and 105,092.69

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Solution

The fourth proportional to 136,626.48, 204,938.78 and 105,092.69 is: 157,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,626.48 : 204,938.78 = 105,092.69 : x
  2. Step 2: Convert to fraction form
    136,626.48/204,938.78 = 105,092.69/x
  3. Step 3: Cross multiply
    136,626.48x = 204,938.78 × 105,092.69
  4. Step 4: Simplify right side
    136,626.48x = 21,537,566,125.36
  5. Step 5: Solve for x
    x = 21,537,566,125.36/136,626.48
  6. Step 6: Final answer
    x = 157,638.30

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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.