Home / 107,731.04-161,202.89-63,378.68

Finding the Fourth Proportional to 107,731.04, 161,202.89 and 63,378.68

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Solution

The fourth proportional to 107,731.04, 161,202.89 and 63,378.68 is: 94,836.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,731.04 : 161,202.89 = 63,378.68 : x
  2. Step 2: Convert to fraction form
    107,731.04/161,202.89 = 63,378.68/x
  3. Step 3: Cross multiply
    107,731.04x = 161,202.89 × 63,378.68
  4. Step 4: Simplify right side
    107,731.04x = 10,216,825,945.95
  5. Step 5: Solve for x
    x = 10,216,825,945.95/107,731.04
  6. Step 6: Final answer
    x = 94,836.42

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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.