Home / 166,791.45-229,943.40-105,507.15

Finding the Fourth Proportional to 166,791.45, 229,943.40 and 105,507.15

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Solution

The fourth proportional to 166,791.45, 229,943.40 and 105,507.15 is: 145,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,791.45 : 229,943.40 = 105,507.15 : x
  2. Step 2: Convert to fraction form
    166,791.45/229,943.40 = 105,507.15/x
  3. Step 3: Cross multiply
    166,791.45x = 229,943.40 × 105,507.15
  4. Step 4: Simplify right side
    166,791.45x = 24,260,672,795.31
  5. Step 5: Solve for x
    x = 24,260,672,795.31/166,791.45
  6. Step 6: Final answer
    x = 145,455.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.