Home / 101,066.90-151,433.49-61,504.34

Finding the Fourth Proportional to 101,066.90, 151,433.49 and 61,504.34

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Solution

The fourth proportional to 101,066.90, 151,433.49 and 61,504.34 is: 92,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,066.90 : 151,433.49 = 61,504.34 : x
  2. Step 2: Convert to fraction form
    101,066.90/151,433.49 = 61,504.34/x
  3. Step 3: Cross multiply
    101,066.90x = 151,433.49 × 61,504.34
  4. Step 4: Simplify right side
    101,066.90x = 9,313,816,856.35
  5. Step 5: Solve for x
    x = 9,313,816,856.35/101,066.90
  6. Step 6: Final answer
    x = 92,154.97

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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.