Home / 146,470.40-219,705.60-109,145.60

Finding the Fourth Proportional to 146,470.40, 219,705.60 and 109,145.60

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Solution

The fourth proportional to 146,470.40, 219,705.60 and 109,145.60 is: 163,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,470.40 : 219,705.60 = 109,145.60 : x
  2. Step 2: Convert to fraction form
    146,470.40/219,705.60 = 109,145.60/x
  3. Step 3: Cross multiply
    146,470.40x = 219,705.60 × 109,145.60
  4. Step 4: Simplify right side
    146,470.40x = 23,979,899,535.36
  5. Step 5: Solve for x
    x = 23,979,899,535.36/146,470.40
  6. Step 6: Final answer
    x = 163,718.40

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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.