Home / 132,291.10-182,556.48-78,574.69

Finding the Fourth Proportional to 132,291.10, 182,556.48 and 78,574.69

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Solution

The fourth proportional to 132,291.10, 182,556.48 and 78,574.69 is: 108,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,291.10 : 182,556.48 = 78,574.69 : x
  2. Step 2: Convert to fraction form
    132,291.10/182,556.48 = 78,574.69/x
  3. Step 3: Cross multiply
    132,291.10x = 182,556.48 × 78,574.69
  4. Step 4: Simplify right side
    132,291.10x = 14,344,318,823.49
  5. Step 5: Solve for x
    x = 14,344,318,823.49/132,291.10
  6. Step 6: Final answer
    x = 108,429.96

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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.