Home / 132,632.69-182,979.02-81,630.02

Finding the Fourth Proportional to 132,632.69, 182,979.02 and 81,630.02

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Solution

The fourth proportional to 132,632.69, 182,979.02 and 81,630.02 is: 112,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,632.69 : 182,979.02 = 81,630.02 : x
  2. Step 2: Convert to fraction form
    132,632.69/182,979.02 = 81,630.02/x
  3. Step 3: Cross multiply
    132,632.69x = 182,979.02 × 81,630.02
  4. Step 4: Simplify right side
    132,632.69x = 14,936,581,723.70
  5. Step 5: Solve for x
    x = 14,936,581,723.70/132,632.69
  6. Step 6: Final answer
    x = 112,616.15

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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.