Home / 97,945.63-146,918.42-64,657.90

Finding the Fourth Proportional to 97,945.63, 146,918.42 and 64,657.90

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Solution

The fourth proportional to 97,945.63, 146,918.42 and 64,657.90 is: 96,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,945.63 : 146,918.42 = 64,657.90 : x
  2. Step 2: Convert to fraction form
    97,945.63/146,918.42 = 64,657.90/x
  3. Step 3: Cross multiply
    97,945.63x = 146,918.42 × 64,657.90
  4. Step 4: Simplify right side
    97,945.63x = 9,499,435,450.64
  5. Step 5: Solve for x
    x = 9,499,435,450.64/97,945.63
  6. Step 6: Final answer
    x = 96,986.83

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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.