Home / 188,320.64-259,927.72-107,794.84

Finding the Fourth Proportional to 188,320.64, 259,927.72 and 107,794.84

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Solution

The fourth proportional to 188,320.64, 259,927.72 and 107,794.84 is: 148,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,320.64 : 259,927.72 = 107,794.84 : x
  2. Step 2: Convert to fraction form
    188,320.64/259,927.72 = 107,794.84/x
  3. Step 3: Cross multiply
    188,320.64x = 259,927.72 × 107,794.84
  4. Step 4: Simplify right side
    188,320.64x = 28,018,866,988.96
  5. Step 5: Solve for x
    x = 28,018,866,988.96/188,320.64
  6. Step 6: Final answer
    x = 148,782.77

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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.