Home / 146,048.40-219,072.60-52,520.40

Finding the Fourth Proportional to 146,048.40, 219,072.60 and 52,520.40

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Solution

The fourth proportional to 146,048.40, 219,072.60 and 52,520.40 is: 78,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,048.40 : 219,072.60 = 52,520.40 : x
  2. Step 2: Convert to fraction form
    146,048.40/219,072.60 = 52,520.40/x
  3. Step 3: Cross multiply
    146,048.40x = 219,072.60 × 52,520.40
  4. Step 4: Simplify right side
    146,048.40x = 11,505,780,581.04
  5. Step 5: Solve for x
    x = 11,505,780,581.04/146,048.40
  6. Step 6: Final answer
    x = 78,780.60

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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.