Home / 220,127.15-330,241.14-79,885.77

Finding the Fourth Proportional to 220,127.15, 330,241.14 and 79,885.77

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Solution

The fourth proportional to 220,127.15, 330,241.14 and 79,885.77 is: 119,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,127.15 : 330,241.14 = 79,885.77 : x
  2. Step 2: Convert to fraction form
    220,127.15/330,241.14 = 79,885.77/x
  3. Step 3: Cross multiply
    220,127.15x = 330,241.14 × 79,885.77
  4. Step 4: Simplify right side
    220,127.15x = 26,381,567,754.58
  5. Step 5: Solve for x
    x = 26,381,567,754.58/220,127.15
  6. Step 6: Final answer
    x = 119,846.95

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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.