Home / 146,945.87-220,412.33-47,111.08

Finding the Fourth Proportional to 146,945.87, 220,412.33 and 47,111.08

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Solution

The fourth proportional to 146,945.87, 220,412.33 and 47,111.08 is: 70,664.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,945.87 : 220,412.33 = 47,111.08 : x
  2. Step 2: Convert to fraction form
    146,945.87/220,412.33 = 47,111.08/x
  3. Step 3: Cross multiply
    146,945.87x = 220,412.33 × 47,111.08
  4. Step 4: Simplify right side
    146,945.87x = 10,383,861,574.00
  5. Step 5: Solve for x
    x = 10,383,861,574.00/146,945.87
  6. Step 6: Final answer
    x = 70,664.54

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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.