Home / 146,219.60-219,329.40-143,886.80

Finding the Fourth Proportional to 146,219.60, 219,329.40 and 143,886.80

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Solution

The fourth proportional to 146,219.60, 219,329.40 and 143,886.80 is: 215,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,219.60 : 219,329.40 = 143,886.80 : x
  2. Step 2: Convert to fraction form
    146,219.60/219,329.40 = 143,886.80/x
  3. Step 3: Cross multiply
    146,219.60x = 219,329.40 × 143,886.80
  4. Step 4: Simplify right side
    146,219.60x = 31,558,605,511.92
  5. Step 5: Solve for x
    x = 31,558,605,511.92/146,219.60
  6. Step 6: Final answer
    x = 215,830.20

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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.