Home / 144,845.28-217,274.40-39,661.92

Finding the Fourth Proportional to 144,845.28, 217,274.40 and 39,661.92

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Solution

The fourth proportional to 144,845.28, 217,274.40 and 39,661.92 is: 59,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,845.28 : 217,274.40 = 39,661.92 : x
  2. Step 2: Convert to fraction form
    144,845.28/217,274.40 = 39,661.92/x
  3. Step 3: Cross multiply
    144,845.28x = 217,274.40 × 39,661.92
  4. Step 4: Simplify right side
    144,845.28x = 8,617,519,870.85
  5. Step 5: Solve for x
    x = 8,617,519,870.85/144,845.28
  6. Step 6: Final answer
    x = 59,494.65

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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.