Home / 146,121.60-219,166.20-119,780.40

Finding the Fourth Proportional to 146,121.60, 219,166.20 and 119,780.40

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Solution

The fourth proportional to 146,121.60, 219,166.20 and 119,780.40 is: 179,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,121.60 : 219,166.20 = 119,780.40 : x
  2. Step 2: Convert to fraction form
    146,121.60/219,166.20 = 119,780.40/x
  3. Step 3: Cross multiply
    146,121.60x = 219,166.20 × 119,780.40
  4. Step 4: Simplify right side
    146,121.60x = 26,251,815,102.48
  5. Step 5: Solve for x
    x = 26,251,815,102.48/146,121.60
  6. Step 6: Final answer
    x = 179,657.32

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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.