Home / 135,981.01-187,657.06-75,554.20

Finding the Fourth Proportional to 135,981.01, 187,657.06 and 75,554.20

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Solution

The fourth proportional to 135,981.01, 187,657.06 and 75,554.20 is: 104,266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,981.01 : 187,657.06 = 75,554.20 : x
  2. Step 2: Convert to fraction form
    135,981.01/187,657.06 = 75,554.20/x
  3. Step 3: Cross multiply
    135,981.01x = 187,657.06 × 75,554.20
  4. Step 4: Simplify right side
    135,981.01x = 14,178,278,104.37
  5. Step 5: Solve for x
    x = 14,178,278,104.37/135,981.01
  6. Step 6: Final answer
    x = 104,266.61

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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.