Home / 147,300.81-220,951.35-47,475.87

Finding the Fourth Proportional to 147,300.81, 220,951.35 and 47,475.87

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Solution

The fourth proportional to 147,300.81, 220,951.35 and 47,475.87 is: 71,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,300.81 : 220,951.35 = 47,475.87 : x
  2. Step 2: Convert to fraction form
    147,300.81/220,951.35 = 47,475.87/x
  3. Step 3: Cross multiply
    147,300.81x = 220,951.35 × 47,475.87
  4. Step 4: Simplify right side
    147,300.81x = 10,489,857,568.92
  5. Step 5: Solve for x
    x = 10,489,857,568.92/147,300.81
  6. Step 6: Final answer
    x = 71,213.85

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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.