Home / 147,811.76-221,660.11-47,947.80

Finding the Fourth Proportional to 147,811.76, 221,660.11 and 47,947.80

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Solution

The fourth proportional to 147,811.76, 221,660.11 and 47,947.80 is: 71,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,811.76 : 221,660.11 = 47,947.80 : x
  2. Step 2: Convert to fraction form
    147,811.76/221,660.11 = 47,947.80/x
  3. Step 3: Cross multiply
    147,811.76x = 221,660.11 × 47,947.80
  4. Step 4: Simplify right side
    147,811.76x = 10,628,114,622.26
  5. Step 5: Solve for x
    x = 10,628,114,622.26/147,811.76
  6. Step 6: Final answer
    x = 71,903.04

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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.