Home / 218,968.85-302,176.51-123,474.88

Finding the Fourth Proportional to 218,968.85, 302,176.51 and 123,474.88

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Solution

The fourth proportional to 218,968.85, 302,176.51 and 123,474.88 is: 170,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,968.85 : 302,176.51 = 123,474.88 : x
  2. Step 2: Convert to fraction form
    218,968.85/302,176.51 = 123,474.88/x
  3. Step 3: Cross multiply
    218,968.85x = 302,176.51 × 123,474.88
  4. Step 4: Simplify right side
    218,968.85x = 37,311,208,380.10
  5. Step 5: Solve for x
    x = 37,311,208,380.10/218,968.85
  6. Step 6: Final answer
    x = 170,395.05

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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.