Home / 166,376.92-249,423.94-72,812.76

Finding the Fourth Proportional to 166,376.92, 249,423.94 and 72,812.76

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Solution

The fourth proportional to 166,376.92, 249,423.94 and 72,812.76 is: 109,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,376.92 : 249,423.94 = 72,812.76 : x
  2. Step 2: Convert to fraction form
    166,376.92/249,423.94 = 72,812.76/x
  3. Step 3: Cross multiply
    166,376.92x = 249,423.94 × 72,812.76
  4. Step 4: Simplify right side
    166,376.92x = 18,161,245,481.47
  5. Step 5: Solve for x
    x = 18,161,245,481.47/166,376.92
  6. Step 6: Final answer
    x = 109,157.24

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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.