Home / 132,326.04-182,638.80-81,382.58

Finding the Fourth Proportional to 132,326.04, 182,638.80 and 81,382.58

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Solution

The fourth proportional to 132,326.04, 182,638.80 and 81,382.58 is: 112,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,326.04 : 182,638.80 = 81,382.58 : x
  2. Step 2: Convert to fraction form
    132,326.04/182,638.80 = 81,382.58/x
  3. Step 3: Cross multiply
    132,326.04x = 182,638.80 × 81,382.58
  4. Step 4: Simplify right side
    132,326.04x = 14,863,616,752.10
  5. Step 5: Solve for x
    x = 14,863,616,752.10/132,326.04
  6. Step 6: Final answer
    x = 112,325.71

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1.5x scale

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.