Home / 132,633.59-198,986.85-39,139.34

Finding the Fourth Proportional to 132,633.59, 198,986.85 and 39,139.34

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Solution

The fourth proportional to 132,633.59, 198,986.85 and 39,139.34 is: 58,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,633.59 : 198,986.85 = 39,139.34 : x
  2. Step 2: Convert to fraction form
    132,633.59/198,986.85 = 39,139.34/x
  3. Step 3: Cross multiply
    132,633.59x = 198,986.85 × 39,139.34
  4. Step 4: Simplify right side
    132,633.59x = 7,788,212,982.74
  5. Step 5: Solve for x
    x = 7,788,212,982.74/132,633.59
  6. Step 6: Final answer
    x = 58,719.77

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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.