Home / 103,799.91-143,244.30-58,478.43

Finding the Fourth Proportional to 103,799.91, 143,244.30 and 58,478.43

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Solution

The fourth proportional to 103,799.91, 143,244.30 and 58,478.43 is: 80,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,799.91 : 143,244.30 = 58,478.43 : x
  2. Step 2: Convert to fraction form
    103,799.91/143,244.30 = 58,478.43/x
  3. Step 3: Cross multiply
    103,799.91x = 143,244.30 × 58,478.43
  4. Step 4: Simplify right side
    103,799.91x = 8,376,701,770.45
  5. Step 5: Solve for x
    x = 8,376,701,770.45/103,799.91
  6. Step 6: Final answer
    x = 80,700.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.