Home / 145,872.20-218,808.30-144,950.60

Finding the Fourth Proportional to 145,872.20, 218,808.30 and 144,950.60

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Solution

The fourth proportional to 145,872.20, 218,808.30 and 144,950.60 is: 217,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,872.20 : 218,808.30 = 144,950.60 : x
  2. Step 2: Convert to fraction form
    145,872.20/218,808.30 = 144,950.60/x
  3. Step 3: Cross multiply
    145,872.20x = 218,808.30 × 144,950.60
  4. Step 4: Simplify right side
    145,872.20x = 31,716,394,369.98
  5. Step 5: Solve for x
    x = 31,716,394,369.98/145,872.20
  6. Step 6: Final answer
    x = 217,425.90

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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.