Home / 166,446.80-249,524.40-99,816.20

Finding the Fourth Proportional to 166,446.80, 249,524.40 and 99,816.20

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Solution

The fourth proportional to 166,446.80, 249,524.40 and 99,816.20 is: 149,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,446.80 : 249,524.40 = 99,816.20 : x
  2. Step 2: Convert to fraction form
    166,446.80/249,524.40 = 99,816.20/x
  3. Step 3: Cross multiply
    166,446.80x = 249,524.40 × 99,816.20
  4. Step 4: Simplify right side
    166,446.80x = 24,906,577,415.28
  5. Step 5: Solve for x
    x = 24,906,577,415.28/166,446.80
  6. Step 6: Final answer
    x = 149,636.87

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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.