Home / 181,798.46-272,606.43-105,921.56

Finding the Fourth Proportional to 181,798.46, 272,606.43 and 105,921.56

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Solution

The fourth proportional to 181,798.46, 272,606.43 and 105,921.56 is: 158,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,798.46 : 272,606.43 = 105,921.56 : x
  2. Step 2: Convert to fraction form
    181,798.46/272,606.43 = 105,921.56/x
  3. Step 3: Cross multiply
    181,798.46x = 272,606.43 × 105,921.56
  4. Step 4: Simplify right side
    181,798.46x = 28,874,896,968.60
  5. Step 5: Solve for x
    x = 28,874,896,968.60/181,798.46
  6. Step 6: Final answer
    x = 158,829.17

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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.