Home / 107,926.70-161,890.05-65,936.30

Finding the Fourth Proportional to 107,926.70, 161,890.05 and 65,936.30

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Solution

The fourth proportional to 107,926.70, 161,890.05 and 65,936.30 is: 98,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,926.70 : 161,890.05 = 65,936.30 : x
  2. Step 2: Convert to fraction form
    107,926.70/161,890.05 = 65,936.30/x
  3. Step 3: Cross multiply
    107,926.70x = 161,890.05 × 65,936.30
  4. Step 4: Simplify right side
    107,926.70x = 10,674,430,903.82
  5. Step 5: Solve for x
    x = 10,674,430,903.82/107,926.70
  6. Step 6: Final answer
    x = 98,904.45

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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.