Home / 144,991.28-217,246.80-102,662.36

Finding the Fourth Proportional to 144,991.28, 217,246.80 and 102,662.36

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Solution

The fourth proportional to 144,991.28, 217,246.80 and 102,662.36 is: 153,823.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,991.28 : 217,246.80 = 102,662.36 : x
  2. Step 2: Convert to fraction form
    144,991.28/217,246.80 = 102,662.36/x
  3. Step 3: Cross multiply
    144,991.28x = 217,246.80 × 102,662.36
  4. Step 4: Simplify right side
    144,991.28x = 22,303,069,190.45
  5. Step 5: Solve for x
    x = 22,303,069,190.45/144,991.28
  6. Step 6: Final answer
    x = 153,823.52

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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.