Home / 163,765.41-245,634-99,706.95

Finding the Fourth Proportional to 163,765.41, 245,634 and 99,706.95

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Solution

The fourth proportional to 163,765.41, 245,634 and 99,706.95 is: 149,551.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,765.41 : 245,634 = 99,706.95 : x
  2. Step 2: Convert to fraction form
    163,765.41/245,634 = 99,706.95/x
  3. Step 3: Cross multiply
    163,765.41x = 245,634 × 99,706.95
  4. Step 4: Simplify right side
    163,765.41x = 24,491,416,956.30
  5. Step 5: Solve for x
    x = 24,491,416,956.30/163,765.41
  6. Step 6: Final answer
    x = 149,551.83

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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.