Home / 132,391.01-182,703.14-71,965.72

Finding the Fourth Proportional to 132,391.01, 182,703.14 and 71,965.72

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Solution

The fourth proportional to 132,391.01, 182,703.14 and 71,965.72 is: 99,314.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,391.01 : 182,703.14 = 71,965.72 : x
  2. Step 2: Convert to fraction form
    132,391.01/182,703.14 = 71,965.72/x
  3. Step 3: Cross multiply
    132,391.01x = 182,703.14 × 71,965.72
  4. Step 4: Simplify right side
    132,391.01x = 13,148,362,531.88
  5. Step 5: Solve for x
    x = 13,148,362,531.88/132,391.01
  6. Step 6: Final answer
    x = 99,314.62

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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.