Home / 144,629.32-216,942.72-39,448.12

Finding the Fourth Proportional to 144,629.32, 216,942.72 and 39,448.12

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Solution

The fourth proportional to 144,629.32, 216,942.72 and 39,448.12 is: 59,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,629.32 : 216,942.72 = 39,448.12 : x
  2. Step 2: Convert to fraction form
    144,629.32/216,942.72 = 39,448.12/x
  3. Step 3: Cross multiply
    144,629.32x = 216,942.72 × 39,448.12
  4. Step 4: Simplify right side
    144,629.32x = 8,557,982,451.69
  5. Step 5: Solve for x
    x = 8,557,982,451.69/144,629.32
  6. Step 6: Final answer
    x = 59,171.84

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1.5x scale

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.