Home / 147,199.39-220,647.61-58,515.73

Finding the Fourth Proportional to 147,199.39, 220,647.61 and 58,515.73

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Solution

The fourth proportional to 147,199.39, 220,647.61 and 58,515.73 is: 87,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,199.39 : 220,647.61 = 58,515.73 : x
  2. Step 2: Convert to fraction form
    147,199.39/220,647.61 = 58,515.73/x
  3. Step 3: Cross multiply
    147,199.39x = 220,647.61 × 58,515.73
  4. Step 4: Simplify right side
    147,199.39x = 12,911,355,493.43
  5. Step 5: Solve for x
    x = 12,911,355,493.43/147,199.39
  6. Step 6: Final answer
    x = 87,713.38

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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.