Home / 146,201.60-219,302.40-144,819.20

Finding the Fourth Proportional to 146,201.60, 219,302.40 and 144,819.20

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Solution

The fourth proportional to 146,201.60, 219,302.40 and 144,819.20 is: 217,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,201.60 : 219,302.40 = 144,819.20 : x
  2. Step 2: Convert to fraction form
    146,201.60/219,302.40 = 144,819.20/x
  3. Step 3: Cross multiply
    146,201.60x = 219,302.40 × 144,819.20
  4. Step 4: Simplify right side
    146,201.60x = 31,759,198,126.08
  5. Step 5: Solve for x
    x = 31,759,198,126.08/146,201.60
  6. Step 6: Final answer
    x = 217,228.80

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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.