Home / 146,505.20-219,412.20-99,503.60

Finding the Fourth Proportional to 146,505.20, 219,412.20 and 99,503.60

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Solution

The fourth proportional to 146,505.20, 219,412.20 and 99,503.60 is: 149,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,505.20 : 219,412.20 = 99,503.60 : x
  2. Step 2: Convert to fraction form
    146,505.20/219,412.20 = 99,503.60/x
  3. Step 3: Cross multiply
    146,505.20x = 219,412.20 × 99,503.60
  4. Step 4: Simplify right side
    146,505.20x = 21,832,303,783.92
  5. Step 5: Solve for x
    x = 21,832,303,783.92/146,505.20
  6. Step 6: Final answer
    x = 149,020.67

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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.