Home / 147,811.50-221,659.74-47,947.56

Finding the Fourth Proportional to 147,811.50, 221,659.74 and 47,947.56

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Solution

The fourth proportional to 147,811.50, 221,659.74 and 47,947.56 is: 71,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,811.50 : 221,659.74 = 47,947.56 : x
  2. Step 2: Convert to fraction form
    147,811.50/221,659.74 = 47,947.56/x
  3. Step 3: Cross multiply
    147,811.50x = 221,659.74 × 47,947.56
  4. Step 4: Simplify right side
    147,811.50x = 10,628,043,683.23
  5. Step 5: Solve for x
    x = 10,628,043,683.23/147,811.50
  6. Step 6: Final answer
    x = 71,902.68

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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.