Home / 163,869.42-245,899.53-69,093.66

Finding the Fourth Proportional to 163,869.42, 245,899.53 and 69,093.66

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Solution

The fourth proportional to 163,869.42, 245,899.53 and 69,093.66 is: 103,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,869.42 : 245,899.53 = 69,093.66 : x
  2. Step 2: Convert to fraction form
    163,869.42/245,899.53 = 69,093.66/x
  3. Step 3: Cross multiply
    163,869.42x = 245,899.53 × 69,093.66
  4. Step 4: Simplify right side
    163,869.42x = 16,990,098,519.98
  5. Step 5: Solve for x
    x = 16,990,098,519.98/163,869.42
  6. Step 6: Final answer
    x = 103,680.71

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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.