Home / 166,318.74-249,517.29-53,990.28

Finding the Fourth Proportional to 166,318.74, 249,517.29 and 53,990.28

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Solution

The fourth proportional to 166,318.74, 249,517.29 and 53,990.28 is: 80,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,318.74 : 249,517.29 = 53,990.28 : x
  2. Step 2: Convert to fraction form
    166,318.74/249,517.29 = 53,990.28/x
  3. Step 3: Cross multiply
    166,318.74x = 249,517.29 × 53,990.28
  4. Step 4: Simplify right side
    166,318.74x = 13,471,508,351.94
  5. Step 5: Solve for x
    x = 13,471,508,351.94/166,318.74
  6. Step 6: Final answer
    x = 80,998.14

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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.