Home / 136,877.90-187,519.57-131,760.83

Finding the Fourth Proportional to 136,877.90, 187,519.57 and 131,760.83

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Solution

The fourth proportional to 136,877.90, 187,519.57 and 131,760.83 is: 180,509.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,877.90 : 187,519.57 = 131,760.83 : x
  2. Step 2: Convert to fraction form
    136,877.90/187,519.57 = 131,760.83/x
  3. Step 3: Cross multiply
    136,877.90x = 187,519.57 × 131,760.83
  4. Step 4: Simplify right side
    136,877.90x = 24,707,734,323.84
  5. Step 5: Solve for x
    x = 24,707,734,323.84/136,877.90
  6. Step 6: Final answer
    x = 180,509.31

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1.5x scale

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.