Home / 106,421.67-146,887.50-63,972

Finding the Fourth Proportional to 106,421.67, 146,887.50 and 63,972

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Solution

The fourth proportional to 106,421.67, 146,887.50 and 63,972 is: 88,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,421.67 : 146,887.50 = 63,972 : x
  2. Step 2: Convert to fraction form
    106,421.67/146,887.50 = 63,972/x
  3. Step 3: Cross multiply
    106,421.67x = 146,887.50 × 63,972
  4. Step 4: Simplify right side
    106,421.67x = 9,396,687,150
  5. Step 5: Solve for x
    x = 9,396,687,150/106,421.67
  6. Step 6: Final answer
    x = 88,296.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.