Home / 97,945.11-146,917.67-64,657.38

Finding the Fourth Proportional to 97,945.11, 146,917.67 and 64,657.38

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Solution

The fourth proportional to 97,945.11, 146,917.67 and 64,657.38 is: 96,986.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,945.11 : 146,917.67 = 64,657.38 : x
  2. Step 2: Convert to fraction form
    97,945.11/146,917.67 = 64,657.38/x
  3. Step 3: Cross multiply
    97,945.11x = 146,917.67 × 64,657.38
  4. Step 4: Simplify right side
    97,945.11x = 9,499,311,617.90
  5. Step 5: Solve for x
    x = 9,499,311,617.90/97,945.11
  6. Step 6: Final answer
    x = 96,986.07

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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.