Home / 77,490.88-116,125.41-44,142.06

Finding the Fourth Proportional to 77,490.88, 116,125.41 and 44,142.06

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Solution

The fourth proportional to 77,490.88, 116,125.41 and 44,142.06 is: 66,149.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,490.88 : 116,125.41 = 44,142.06 : x
  2. Step 2: Convert to fraction form
    77,490.88/116,125.41 = 44,142.06/x
  3. Step 3: Cross multiply
    77,490.88x = 116,125.41 × 44,142.06
  4. Step 4: Simplify right side
    77,490.88x = 5,126,015,416.75
  5. Step 5: Solve for x
    x = 5,126,015,416.75/77,490.88
  6. Step 6: Final answer
    x = 66,149.92

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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.