Home / 136,871.41-187,510.70-131,754.37

Finding the Fourth Proportional to 136,871.41, 187,510.70 and 131,754.37

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Solution

The fourth proportional to 136,871.41, 187,510.70 and 131,754.37 is: 180,500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,871.41 : 187,510.70 = 131,754.37 : x
  2. Step 2: Convert to fraction form
    136,871.41/187,510.70 = 131,754.37/x
  3. Step 3: Cross multiply
    136,871.41x = 187,510.70 × 131,754.37
  4. Step 4: Simplify right side
    136,871.41x = 24,705,354,146.76
  5. Step 5: Solve for x
    x = 24,705,354,146.76/136,871.41
  6. Step 6: Final answer
    x = 180,500.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.