Home / 146,551.20-220,312.80-127,305.60

Finding the Fourth Proportional to 146,551.20, 220,312.80 and 127,305.60

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Solution

The fourth proportional to 146,551.20, 220,312.80 and 127,305.60 is: 191,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,551.20 : 220,312.80 = 127,305.60 : x
  2. Step 2: Convert to fraction form
    146,551.20/220,312.80 = 127,305.60/x
  3. Step 3: Cross multiply
    146,551.20x = 220,312.80 × 127,305.60
  4. Step 4: Simplify right side
    146,551.20x = 28,047,053,191.68
  5. Step 5: Solve for x
    x = 28,047,053,191.68/146,551.20
  6. Step 6: Final answer
    x = 191,380.58

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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.