Home / 107,405.64-161,174.94-62,448.12

Finding the Fourth Proportional to 107,405.64, 161,174.94 and 62,448.12

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Solution

The fourth proportional to 107,405.64, 161,174.94 and 62,448.12 is: 93,710.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,405.64 : 161,174.94 = 62,448.12 : x
  2. Step 2: Convert to fraction form
    107,405.64/161,174.94 = 62,448.12/x
  3. Step 3: Cross multiply
    107,405.64x = 161,174.94 × 62,448.12
  4. Step 4: Simplify right side
    107,405.64x = 10,065,071,994.11
  5. Step 5: Solve for x
    x = 10,065,071,994.11/107,405.64
  6. Step 6: Final answer
    x = 93,710.83

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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.