Home / 166,378.92-249,426.94-72,814.76

Finding the Fourth Proportional to 166,378.92, 249,426.94 and 72,814.76

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Solution

The fourth proportional to 166,378.92, 249,426.94 and 72,814.76 is: 109,160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,378.92 : 249,426.94 = 72,814.76 : x
  2. Step 2: Convert to fraction form
    166,378.92/249,426.94 = 72,814.76/x
  3. Step 3: Cross multiply
    166,378.92x = 249,426.94 × 72,814.76
  4. Step 4: Simplify right side
    166,378.92x = 18,161,962,773.63
  5. Step 5: Solve for x
    x = 18,161,962,773.63/166,378.92
  6. Step 6: Final answer
    x = 109,160.24

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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.