Home / 181,731.84-272,641.68-57,072.84

Finding the Fourth Proportional to 181,731.84, 272,641.68 and 57,072.84

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Solution

The fourth proportional to 181,731.84, 272,641.68 and 57,072.84 is: 85,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,731.84 : 272,641.68 = 57,072.84 : x
  2. Step 2: Convert to fraction form
    181,731.84/272,641.68 = 57,072.84/x
  3. Step 3: Cross multiply
    181,731.84x = 272,641.68 × 57,072.84
  4. Step 4: Simplify right side
    181,731.84x = 15,560,434,979.97
  5. Step 5: Solve for x
    x = 15,560,434,979.97/181,731.84
  6. Step 6: Final answer
    x = 85,623.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.