Home / 144,719.56-217,153.41-68,903.92

Finding the Fourth Proportional to 144,719.56, 217,153.41 and 68,903.92

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Solution

The fourth proportional to 144,719.56, 217,153.41 and 68,903.92 is: 103,391.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,719.56 : 217,153.41 = 68,903.92 : x
  2. Step 2: Convert to fraction form
    144,719.56/217,153.41 = 68,903.92/x
  3. Step 3: Cross multiply
    144,719.56x = 217,153.41 × 68,903.92
  4. Step 4: Simplify right side
    144,719.56x = 14,962,721,190.37
  5. Step 5: Solve for x
    x = 14,962,721,190.37/144,719.56
  6. Step 6: Final answer
    x = 103,391.15

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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.