Home / 132,529.43-182,876.96-78,804.07

Finding the Fourth Proportional to 132,529.43, 182,876.96 and 78,804.07

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Solution

The fourth proportional to 132,529.43, 182,876.96 and 78,804.07 is: 108,741.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,529.43 : 182,876.96 = 78,804.07 : x
  2. Step 2: Convert to fraction form
    132,529.43/182,876.96 = 78,804.07/x
  3. Step 3: Cross multiply
    132,529.43x = 182,876.96 × 78,804.07
  4. Step 4: Simplify right side
    132,529.43x = 14,411,448,497.05
  5. Step 5: Solve for x
    x = 14,411,448,497.05/132,529.43
  6. Step 6: Final answer
    x = 108,741.49

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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.