Home / 166,375.92-249,422.44-72,811.76

Finding the Fourth Proportional to 166,375.92, 249,422.44 and 72,811.76

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Solution

The fourth proportional to 166,375.92, 249,422.44 and 72,811.76 is: 109,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,375.92 : 249,422.44 = 72,811.76 : x
  2. Step 2: Convert to fraction form
    166,375.92/249,422.44 = 72,811.76/x
  3. Step 3: Cross multiply
    166,375.92x = 249,422.44 × 72,811.76
  4. Step 4: Simplify right side
    166,375.92x = 18,160,886,839.89
  5. Step 5: Solve for x
    x = 18,160,886,839.89/166,375.92
  6. Step 6: Final answer
    x = 109,155.74

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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.