Home / 103,216.05-154,811.70-32,143.80

Finding the Fourth Proportional to 103,216.05, 154,811.70 and 32,143.80

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Solution

The fourth proportional to 103,216.05, 154,811.70 and 32,143.80 is: 48,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,216.05 : 154,811.70 = 32,143.80 : x
  2. Step 2: Convert to fraction form
    103,216.05/154,811.70 = 32,143.80/x
  3. Step 3: Cross multiply
    103,216.05x = 154,811.70 × 32,143.80
  4. Step 4: Simplify right side
    103,216.05x = 4,976,236,322.46
  5. Step 5: Solve for x
    x = 4,976,236,322.46/103,216.05
  6. Step 6: Final answer
    x = 48,211.85

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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.