Home / 132,290.09-182,561.69-71,861.93

Finding the Fourth Proportional to 132,290.09, 182,561.69 and 71,861.93

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Solution

The fourth proportional to 132,290.09, 182,561.69 and 71,861.93 is: 99,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,290.09 : 182,561.69 = 71,861.93 : x
  2. Step 2: Convert to fraction form
    132,290.09/182,561.69 = 71,861.93/x
  3. Step 3: Cross multiply
    132,290.09x = 182,561.69 × 71,861.93
  4. Step 4: Simplify right side
    132,290.09x = 13,119,235,028.15
  5. Step 5: Solve for x
    x = 13,119,235,028.15/132,290.09
  6. Step 6: Final answer
    x = 99,170.20

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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.