Home / 181,562.31-272,155.89-69,212.37

Finding the Fourth Proportional to 181,562.31, 272,155.89 and 69,212.37

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Solution

The fourth proportional to 181,562.31, 272,155.89 and 69,212.37 is: 103,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,562.31 : 272,155.89 = 69,212.37 : x
  2. Step 2: Convert to fraction form
    181,562.31/272,155.89 = 69,212.37/x
  3. Step 3: Cross multiply
    181,562.31x = 272,155.89 × 69,212.37
  4. Step 4: Simplify right side
    181,562.31x = 18,836,554,156.36
  5. Step 5: Solve for x
    x = 18,836,554,156.36/181,562.31
  6. Step 6: Final answer
    x = 103,747.05

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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.