Home / 163,844.05-245,861.60-69,068.43

Finding the Fourth Proportional to 163,844.05, 245,861.60 and 69,068.43

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Solution

The fourth proportional to 163,844.05, 245,861.60 and 69,068.43 is: 103,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,844.05 : 245,861.60 = 69,068.43 : x
  2. Step 2: Convert to fraction form
    163,844.05/245,861.60 = 69,068.43/x
  3. Step 3: Cross multiply
    163,844.05x = 245,861.60 × 69,068.43
  4. Step 4: Simplify right side
    163,844.05x = 16,981,274,709.29
  5. Step 5: Solve for x
    x = 16,981,274,709.29/163,844.05
  6. Step 6: Final answer
    x = 103,642.91

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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.