Home / 255,408.12-352,463.67-147,998.88

Finding the Fourth Proportional to 255,408.12, 352,463.67 and 147,998.88

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Solution

The fourth proportional to 255,408.12, 352,463.67 and 147,998.88 is: 204,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,408.12 : 352,463.67 = 147,998.88 : x
  2. Step 2: Convert to fraction form
    255,408.12/352,463.67 = 147,998.88/x
  3. Step 3: Cross multiply
    255,408.12x = 352,463.67 × 147,998.88
  4. Step 4: Simplify right side
    255,408.12x = 52,164,228,400.69
  5. Step 5: Solve for x
    x = 52,164,228,400.69/255,408.12
  6. Step 6: Final answer
    x = 204,238.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.