Home / 136,868.63-187,506.89-131,751.58

Finding the Fourth Proportional to 136,868.63, 187,506.89 and 131,751.58

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Solution

The fourth proportional to 136,868.63, 187,506.89 and 131,751.58 is: 180,496.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,868.63 : 187,506.89 = 131,751.58 : x
  2. Step 2: Convert to fraction form
    136,868.63/187,506.89 = 131,751.58/x
  3. Step 3: Cross multiply
    136,868.63x = 187,506.89 × 131,751.58
  4. Step 4: Simplify right side
    136,868.63x = 24,704,329,018.39
  5. Step 5: Solve for x
    x = 24,704,329,018.39/136,868.63
  6. Step 6: Final answer
    x = 180,496.65

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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.