Home / 166,380.92-249,429.92-72,816.76

Finding the Fourth Proportional to 166,380.92, 249,429.92 and 72,816.76

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Solution

The fourth proportional to 166,380.92, 249,429.92 and 72,816.76 is: 109,163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,380.92 : 249,429.92 = 72,816.76 : x
  2. Step 2: Convert to fraction form
    166,380.92/249,429.92 = 72,816.76/x
  3. Step 3: Cross multiply
    166,380.92x = 249,429.92 × 72,816.76
  4. Step 4: Simplify right side
    166,380.92x = 18,162,678,621.46
  5. Step 5: Solve for x
    x = 18,162,678,621.46/166,380.92
  6. Step 6: Final answer
    x = 109,163.23

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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.