Home / 146,541.40-219,812.10-126,496.60

Finding the Fourth Proportional to 146,541.40, 219,812.10 and 126,496.60

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Solution

The fourth proportional to 146,541.40, 219,812.10 and 126,496.60 is: 189,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,541.40 : 219,812.10 = 126,496.60 : x
  2. Step 2: Convert to fraction form
    146,541.40/219,812.10 = 126,496.60/x
  3. Step 3: Cross multiply
    146,541.40x = 219,812.10 × 126,496.60
  4. Step 4: Simplify right side
    146,541.40x = 27,805,483,288.86
  5. Step 5: Solve for x
    x = 27,805,483,288.86/146,541.40
  6. Step 6: Final answer
    x = 189,744.90

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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.