Home / 166,450.80-249,712.65-54,111.90

Finding the Fourth Proportional to 166,450.80, 249,712.65 and 54,111.90

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Solution

The fourth proportional to 166,450.80, 249,712.65 and 54,111.90 is: 81,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,450.80 : 249,712.65 = 54,111.90 : x
  2. Step 2: Convert to fraction form
    166,450.80/249,712.65 = 54,111.90/x
  3. Step 3: Cross multiply
    166,450.80x = 249,712.65 × 54,111.90
  4. Step 4: Simplify right side
    166,450.80x = 13,512,425,945.54
  5. Step 5: Solve for x
    x = 13,512,425,945.54/166,450.80
  6. Step 6: Final answer
    x = 81,179.70

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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.