Home / 245,034.94-338,137.74-143,066.06

Finding the Fourth Proportional to 245,034.94, 338,137.74 and 143,066.06

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Solution

The fourth proportional to 245,034.94, 338,137.74 and 143,066.06 is: 197,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,034.94 : 338,137.74 = 143,066.06 : x
  2. Step 2: Convert to fraction form
    245,034.94/338,137.74 = 143,066.06/x
  3. Step 3: Cross multiply
    245,034.94x = 338,137.74 × 143,066.06
  4. Step 4: Simplify right side
    245,034.94x = 48,376,034,199.10
  5. Step 5: Solve for x
    x = 48,376,034,199.10/245,034.94
  6. Step 6: Final answer
    x = 197,425.05

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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.