Home / 251,330.32-377,022.96-109,077.80

Finding the Fourth Proportional to 251,330.32, 377,022.96 and 109,077.80

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Solution

The fourth proportional to 251,330.32, 377,022.96 and 109,077.80 is: 163,628.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,330.32 : 377,022.96 = 109,077.80 : x
  2. Step 2: Convert to fraction form
    251,330.32/377,022.96 = 109,077.80/x
  3. Step 3: Cross multiply
    251,330.32x = 377,022.96 × 109,077.80
  4. Step 4: Simplify right side
    251,330.32x = 41,124,835,968.85
  5. Step 5: Solve for x
    x = 41,124,835,968.85/251,330.32
  6. Step 6: Final answer
    x = 163,628.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.