Home / 230,949.12-318,640.17-134,134.32

Finding the Fourth Proportional to 230,949.12, 318,640.17 and 134,134.32

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Solution

The fourth proportional to 230,949.12, 318,640.17 and 134,134.32 is: 185,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,949.12 : 318,640.17 = 134,134.32 : x
  2. Step 2: Convert to fraction form
    230,949.12/318,640.17 = 134,134.32/x
  3. Step 3: Cross multiply
    230,949.12x = 318,640.17 × 134,134.32
  4. Step 4: Simplify right side
    230,949.12x = 42,740,582,527.63
  5. Step 5: Solve for x
    x = 42,740,582,527.63/230,949.12
  6. Step 6: Final answer
    x = 185,064.93

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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.