Home / 181,711.28-272,569.32-57,052.28

Finding the Fourth Proportional to 181,711.28, 272,569.32 and 57,052.28

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Solution

The fourth proportional to 181,711.28, 272,569.32 and 57,052.28 is: 85,579.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,711.28 : 272,569.32 = 57,052.28 : x
  2. Step 2: Convert to fraction form
    181,711.28/272,569.32 = 57,052.28/x
  3. Step 3: Cross multiply
    181,711.28x = 272,569.32 × 57,052.28
  4. Step 4: Simplify right side
    181,711.28x = 15,550,701,164.05
  5. Step 5: Solve for x
    x = 15,550,701,164.05/181,711.28
  6. Step 6: Final answer
    x = 85,579.17

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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.