Home / 132,318.09-182,599.83-71,888.72

Finding the Fourth Proportional to 132,318.09, 182,599.83 and 71,888.72

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Solution

The fourth proportional to 132,318.09, 182,599.83 and 71,888.72 is: 99,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,318.09 : 182,599.83 = 71,888.72 : x
  2. Step 2: Convert to fraction form
    132,318.09/182,599.83 = 71,888.72/x
  3. Step 3: Cross multiply
    132,318.09x = 182,599.83 × 71,888.72
  4. Step 4: Simplify right side
    132,318.09x = 13,126,867,137.92
  5. Step 5: Solve for x
    x = 13,126,867,137.92/132,318.09
  6. Step 6: Final answer
    x = 99,206.90

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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.