Home / 171,950.28-258,195.06-145,641.12

Finding the Fourth Proportional to 171,950.28, 258,195.06 and 145,641.12

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Solution

The fourth proportional to 171,950.28, 258,195.06 and 145,641.12 is: 218,690.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,950.28 : 258,195.06 = 145,641.12 : x
  2. Step 2: Convert to fraction form
    171,950.28/258,195.06 = 145,641.12/x
  3. Step 3: Cross multiply
    171,950.28x = 258,195.06 × 145,641.12
  4. Step 4: Simplify right side
    171,950.28x = 37,603,817,716.87
  5. Step 5: Solve for x
    x = 37,603,817,716.87/171,950.28
  6. Step 6: Final answer
    x = 218,690.06

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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.