Home / 230,716.98-318,377.22-130,108.50

Finding the Fourth Proportional to 230,716.98, 318,377.22 and 130,108.50

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Solution

The fourth proportional to 230,716.98, 318,377.22 and 130,108.50 is: 179,542.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,716.98 : 318,377.22 = 130,108.50 : x
  2. Step 2: Convert to fraction form
    230,716.98/318,377.22 = 130,108.50/x
  3. Step 3: Cross multiply
    230,716.98x = 318,377.22 × 130,108.50
  4. Step 4: Simplify right side
    230,716.98x = 41,423,582,528.37
  5. Step 5: Solve for x
    x = 41,423,582,528.37/230,716.98
  6. Step 6: Final answer
    x = 179,542.84

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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.