Home / 76,197.03-105,157.82-42,208.68

Finding the Fourth Proportional to 76,197.03, 105,157.82 and 42,208.68

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Solution

The fourth proportional to 76,197.03, 105,157.82 and 42,208.68 is: 58,251.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,197.03 : 105,157.82 = 42,208.68 : x
  2. Step 2: Convert to fraction form
    76,197.03/105,157.82 = 42,208.68/x
  3. Step 3: Cross multiply
    76,197.03x = 105,157.82 × 42,208.68
  4. Step 4: Simplify right side
    76,197.03x = 4,438,572,773.88
  5. Step 5: Solve for x
    x = 4,438,572,773.88/76,197.03
  6. Step 6: Final answer
    x = 58,251.26

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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.