Home / 136,154.52-187,865.43-79,554.96

Finding the Fourth Proportional to 136,154.52, 187,865.43 and 79,554.96

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Solution

The fourth proportional to 136,154.52, 187,865.43 and 79,554.96 is: 109,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,154.52 : 187,865.43 = 79,554.96 : x
  2. Step 2: Convert to fraction form
    136,154.52/187,865.43 = 79,554.96/x
  3. Step 3: Cross multiply
    136,154.52x = 187,865.43 × 79,554.96
  4. Step 4: Simplify right side
    136,154.52x = 14,945,626,769.03
  5. Step 5: Solve for x
    x = 14,945,626,769.03/136,154.52
  6. Step 6: Final answer
    x = 109,769.60

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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.