Home / 164,467.20-227,116.80-131,174.40

Finding the Fourth Proportional to 164,467.20, 227,116.80 and 131,174.40

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Solution

The fourth proportional to 164,467.20, 227,116.80 and 131,174.40 is: 181,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,467.20 : 227,116.80 = 131,174.40 : x
  2. Step 2: Convert to fraction form
    164,467.20/227,116.80 = 131,174.40/x
  3. Step 3: Cross multiply
    164,467.20x = 227,116.80 × 131,174.40
  4. Step 4: Simplify right side
    164,467.20x = 29,791,909,969.92
  5. Step 5: Solve for x
    x = 29,791,909,969.92/164,467.20
  6. Step 6: Final answer
    x = 181,141.95

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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.