Home / 136,870.41-187,509.33-131,753.37

Finding the Fourth Proportional to 136,870.41, 187,509.33 and 131,753.37

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Solution

The fourth proportional to 136,870.41, 187,509.33 and 131,753.37 is: 180,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,870.41 : 187,509.33 = 131,753.37 : x
  2. Step 2: Convert to fraction form
    136,870.41/187,509.33 = 131,753.37/x
  3. Step 3: Cross multiply
    136,870.41x = 187,509.33 × 131,753.37
  4. Step 4: Simplify right side
    136,870.41x = 24,704,986,133.94
  5. Step 5: Solve for x
    x = 24,704,986,133.94/136,870.41
  6. Step 6: Final answer
    x = 180,499.10

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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.