Home / 136,657.77-188,588.01-76,226.85

Finding the Fourth Proportional to 136,657.77, 188,588.01 and 76,226.85

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Solution

The fourth proportional to 136,657.77, 188,588.01 and 76,226.85 is: 105,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,657.77 : 188,588.01 = 76,226.85 : x
  2. Step 2: Convert to fraction form
    136,657.77/188,588.01 = 76,226.85/x
  3. Step 3: Cross multiply
    136,657.77x = 188,588.01 × 76,226.85
  4. Step 4: Simplify right side
    136,657.77x = 14,375,469,950.07
  5. Step 5: Solve for x
    x = 14,375,469,950.07/136,657.77
  6. Step 6: Final answer
    x = 105,193.21

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1.5x scale

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.