Home / 146,763.20-219,561.60-127,258.40

Finding the Fourth Proportional to 146,763.20, 219,561.60 and 127,258.40

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Solution

The fourth proportional to 146,763.20, 219,561.60 and 127,258.40 is: 190,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,763.20 : 219,561.60 = 127,258.40 : x
  2. Step 2: Convert to fraction form
    146,763.20/219,561.60 = 127,258.40/x
  3. Step 3: Cross multiply
    146,763.20x = 219,561.60 × 127,258.40
  4. Step 4: Simplify right side
    146,763.20x = 27,941,057,917.44
  5. Step 5: Solve for x
    x = 27,941,057,917.44/146,763.20
  6. Step 6: Final answer
    x = 190,381.91

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1.5x scale

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.