Home / 171,913.84-257,882.82-71,973.16

Finding the Fourth Proportional to 171,913.84, 257,882.82 and 71,973.16

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Solution

The fourth proportional to 171,913.84, 257,882.82 and 71,973.16 is: 107,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,913.84 : 257,882.82 = 71,973.16 : x
  2. Step 2: Convert to fraction form
    171,913.84/257,882.82 = 71,973.16/x
  3. Step 3: Cross multiply
    171,913.84x = 257,882.82 × 71,973.16
  4. Step 4: Simplify right side
    171,913.84x = 18,560,641,465.11
  5. Step 5: Solve for x
    x = 18,560,641,465.11/171,913.84
  6. Step 6: Final answer
    x = 107,964.79

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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.